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Finding the Fourth Proportional to 624,339.85, 861,589.00 and 337,859.94

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Solution

The fourth proportional to 624,339.85, 861,589.00 and 337,859.94 is: 466,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,339.85 : 861,589.00 = 337,859.94 : x
  2. Step 2: Convert to fraction form
    624,339.85/861,589.00 = 337,859.94/x
  3. Step 3: Cross multiply
    624,339.85x = 861,589.00 × 337,859.94
  4. Step 4: Simplify right side
    624,339.85x = 291,096,405,350.91
  5. Step 5: Solve for x
    x = 291,096,405,350.91/624,339.85
  6. Step 6: Final answer
    x = 466,246.72

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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.