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Finding the Fourth Proportional to 344,854.28, 517,294.98 and 120,237.62

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Solution

The fourth proportional to 344,854.28, 517,294.98 and 120,237.62 is: 180,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,854.28 : 517,294.98 = 120,237.62 : x
  2. Step 2: Convert to fraction form
    344,854.28/517,294.98 = 120,237.62/x
  3. Step 3: Cross multiply
    344,854.28x = 517,294.98 × 120,237.62
  4. Step 4: Simplify right side
    344,854.28x = 62,198,317,233.15
  5. Step 5: Solve for x
    x = 62,198,317,233.15/344,854.28
  6. Step 6: Final answer
    x = 180,361.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.