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Finding the Fourth Proportional to 531,572.60, 797,358.90 and 266,151.80

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Solution

The fourth proportional to 531,572.60, 797,358.90 and 266,151.80 is: 399,227.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,572.60 : 797,358.90 = 266,151.80 : x
  2. Step 2: Convert to fraction form
    531,572.60/797,358.90 = 266,151.80/x
  3. Step 3: Cross multiply
    531,572.60x = 797,358.90 × 266,151.80
  4. Step 4: Simplify right side
    531,572.60x = 212,218,506,481.02
  5. Step 5: Solve for x
    x = 212,218,506,481.02/531,572.60
  6. Step 6: Final answer
    x = 399,227.70

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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.