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Finding the Fourth Proportional to 351,497.40, 527,246.10 and 337,719.30

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Solution

The fourth proportional to 351,497.40, 527,246.10 and 337,719.30 is: 506,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,497.40 : 527,246.10 = 337,719.30 : x
  2. Step 2: Convert to fraction form
    351,497.40/527,246.10 = 337,719.30/x
  3. Step 3: Cross multiply
    351,497.40x = 527,246.10 × 337,719.30
  4. Step 4: Simplify right side
    351,497.40x = 178,061,183,819.73
  5. Step 5: Solve for x
    x = 178,061,183,819.73/351,497.40
  6. Step 6: Final answer
    x = 506,578.95

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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.