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Finding the Fourth Proportional to 624,343.65, 861,594.24 and 337,863.72

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Solution

The fourth proportional to 624,343.65, 861,594.24 and 337,863.72 is: 466,251.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,343.65 : 861,594.24 = 337,863.72 : x
  2. Step 2: Convert to fraction form
    624,343.65/861,594.24 = 337,863.72/x
  3. Step 3: Cross multiply
    624,343.65x = 861,594.24 × 337,863.72
  4. Step 4: Simplify right side
    624,343.65x = 291,101,435,056.97
  5. Step 5: Solve for x
    x = 291,101,435,056.97/624,343.65
  6. Step 6: Final answer
    x = 466,251.94

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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.