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Finding the Fourth Proportional to 415,947.79, 574,034.19 and 234,593.55

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Solution

The fourth proportional to 415,947.79, 574,034.19 and 234,593.55 is: 323,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,947.79 : 574,034.19 = 234,593.55 : x
  2. Step 2: Convert to fraction form
    415,947.79/574,034.19 = 234,593.55/x
  3. Step 3: Cross multiply
    415,947.79x = 574,034.19 × 234,593.55
  4. Step 4: Simplify right side
    415,947.79x = 134,664,718,453.47
  5. Step 5: Solve for x
    x = 134,664,718,453.47/415,947.79
  6. Step 6: Final answer
    x = 323,753.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.