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Finding the Fourth Proportional to 351,489.40, 527,234.10 and 337,711.30

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Solution

The fourth proportional to 351,489.40, 527,234.10 and 337,711.30 is: 506,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,489.40 : 527,234.10 = 337,711.30 : x
  2. Step 2: Convert to fraction form
    351,489.40/527,234.10 = 337,711.30/x
  3. Step 3: Cross multiply
    351,489.40x = 527,234.10 × 337,711.30
  4. Step 4: Simplify right side
    351,489.40x = 178,052,913,315.33
  5. Step 5: Solve for x
    x = 178,052,913,315.33/351,489.40
  6. Step 6: Final answer
    x = 506,566.95

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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.