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Finding the Fourth Proportional to 624,209.17, 861,408.62 and 337,729.25

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Solution

The fourth proportional to 624,209.17, 861,408.62 and 337,729.25 is: 466,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,209.17 : 861,408.62 = 337,729.25 : x
  2. Step 2: Convert to fraction form
    624,209.17/861,408.62 = 337,729.25/x
  3. Step 3: Cross multiply
    624,209.17x = 861,408.62 × 337,729.25
  4. Step 4: Simplify right side
    624,209.17x = 290,922,890,173.98
  5. Step 5: Solve for x
    x = 290,922,890,173.98/624,209.17
  6. Step 6: Final answer
    x = 466,066.35

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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.