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Finding the Fourth Proportional to 624,369.72, 861,632.93 and 337,889.83

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Solution

The fourth proportional to 624,369.72, 861,632.93 and 337,889.83 is: 466,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,369.72 : 861,632.93 = 337,889.83 : x
  2. Step 2: Convert to fraction form
    624,369.72/861,632.93 = 337,889.83/x
  3. Step 3: Cross multiply
    624,369.72x = 861,632.93 × 337,889.83
  4. Step 4: Simplify right side
    624,369.72x = 291,137,002,645.68
  5. Step 5: Solve for x
    x = 291,137,002,645.68/624,369.72
  6. Step 6: Final answer
    x = 466,289.43

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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.