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Finding the Fourth Proportional to 624,354.61, 861,611.51 and 337,874.62

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Solution

The fourth proportional to 624,354.61, 861,611.51 and 337,874.62 is: 466,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,354.61 : 861,611.51 = 337,874.62 : x
  2. Step 2: Convert to fraction form
    624,354.61/861,611.51 = 337,874.62/x
  3. Step 3: Cross multiply
    624,354.61x = 861,611.51 × 337,874.62
  4. Step 4: Simplify right side
    624,354.61x = 291,116,660,219.53
  5. Step 5: Solve for x
    x = 291,116,660,219.53/624,354.61
  6. Step 6: Final answer
    x = 466,268.14

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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.