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Finding the Fourth Proportional to 624,339.88, 861,589.03 and 337,859.97

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Solution

The fourth proportional to 624,339.88, 861,589.03 and 337,859.97 is: 466,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,339.88 : 861,589.03 = 337,859.97 : x
  2. Step 2: Convert to fraction form
    624,339.88/861,589.03 = 337,859.97/x
  3. Step 3: Cross multiply
    624,339.88x = 861,589.03 × 337,859.97
  4. Step 4: Simplify right side
    624,339.88x = 291,096,439,520.18
  5. Step 5: Solve for x
    x = 291,096,439,520.18/624,339.88
  6. Step 6: Final answer
    x = 466,246.75

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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.