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Finding the Fourth Proportional to 583,984.60, 876,005.70 and 304,048.60

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Solution

The fourth proportional to 583,984.60, 876,005.70 and 304,048.60 is: 456,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,984.60 : 876,005.70 = 304,048.60 : x
  2. Step 2: Convert to fraction form
    583,984.60/876,005.70 = 304,048.60/x
  3. Step 3: Cross multiply
    583,984.60x = 876,005.70 × 304,048.60
  4. Step 4: Simplify right side
    583,984.60x = 266,348,306,677.02
  5. Step 5: Solve for x
    x = 266,348,306,677.02/583,984.60
  6. Step 6: Final answer
    x = 456,087.89

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Half scale
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Double scale
Find fourth proportional to 583,985.60, 876,007.20 and 304,049.60
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.