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Finding the Fourth Proportional to 624,083.11, 861,234.24 and 337,603.42

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Solution

The fourth proportional to 624,083.11, 861,234.24 and 337,603.42 is: 465,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,083.11 : 861,234.24 = 337,603.42 : x
  2. Step 2: Convert to fraction form
    624,083.11/861,234.24 = 337,603.42/x
  3. Step 3: Cross multiply
    624,083.11x = 861,234.24 × 337,603.42
  4. Step 4: Simplify right side
    624,083.11x = 290,755,620,538.93
  5. Step 5: Solve for x
    x = 290,755,620,538.93/624,083.11
  6. Step 6: Final answer
    x = 465,892.47

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1.5x scale

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.