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Finding the Fourth Proportional to 624,379.62, 861,643.87 and 337,899.77

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Solution

The fourth proportional to 624,379.62, 861,643.87 and 337,899.77 is: 466,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,379.62 : 861,643.87 = 337,899.77 : x
  2. Step 2: Convert to fraction form
    624,379.62/861,643.87 = 337,899.77/x
  3. Step 3: Cross multiply
    624,379.62x = 861,643.87 × 337,899.77
  4. Step 4: Simplify right side
    624,379.62x = 291,149,265,494.91
  5. Step 5: Solve for x
    x = 291,149,265,494.91/624,379.62
  6. Step 6: Final answer
    x = 466,301.68

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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.