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Finding the Fourth Proportional to 650,323.80, 975,485.70 and 650,323.80

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Solution

The fourth proportional to 650,323.80, 975,485.70 and 650,323.80 is: 975,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,323.80 : 975,485.70 = 650,323.80 : x
  2. Step 2: Convert to fraction form
    650,323.80/975,485.70 = 650,323.80/x
  3. Step 3: Cross multiply
    650,323.80x = 975,485.70 × 650,323.80
  4. Step 4: Simplify right side
    650,323.80x = 634,381,567,269.66
  5. Step 5: Solve for x
    x = 634,381,567,269.66/650,323.80
  6. Step 6: Final answer
    x = 975,485.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.