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Finding the Fourth Proportional to 717,550,984.80, 1,005,251,623.20 and 717,550,984.80

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Solution

The fourth proportional to 717,550,984.80, 1,005,251,623.20 and 717,550,984.80 is: 1,005,251,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,550,984.80 : 1,005,251,623.20 = 717,550,984.80 : x
  2. Step 2: Convert to fraction form
    717,550,984.80/1,005,251,623.20 = 717,550,984.80/x
  3. Step 3: Cross multiply
    717,550,984.80x = 1,005,251,623.20 × 717,550,984.80
  4. Step 4: Simplify right side
    717,550,984.80x = 721,319,292,198,958,464
  5. Step 5: Solve for x
    x = 721,319,292,198,958,464/717,550,984.80
  6. Step 6: Final answer
    x = 1,005,251,623.20

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Half scale
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Double scale
Find fourth proportional to 717,550,985.80, 1,005,251,624.60 and 717,550,985.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.