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Finding the Fourth Proportional to 532,863.53, 799,688.96 and 252,380.78

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Solution

The fourth proportional to 532,863.53, 799,688.96 and 252,380.78 is: 378,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,863.53 : 799,688.96 = 252,380.78 : x
  2. Step 2: Convert to fraction form
    532,863.53/799,688.96 = 252,380.78/x
  3. Step 3: Cross multiply
    532,863.53x = 799,688.96 × 252,380.78
  4. Step 4: Simplify right side
    532,863.53x = 201,826,123,693.11
  5. Step 5: Solve for x
    x = 201,826,123,693.11/532,863.53
  6. Step 6: Final answer
    x = 378,757.62

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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.