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Finding the Fourth Proportional to 396,046.26, 594,180.11 and 129,993.94

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Solution

The fourth proportional to 396,046.26, 594,180.11 and 129,993.94 is: 195,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,046.26 : 594,180.11 = 129,993.94 : x
  2. Step 2: Convert to fraction form
    396,046.26/594,180.11 = 129,993.94/x
  3. Step 3: Cross multiply
    396,046.26x = 594,180.11 × 129,993.94
  4. Step 4: Simplify right side
    396,046.26x = 77,239,813,568.53
  5. Step 5: Solve for x
    x = 77,239,813,568.53/396,046.26
  6. Step 6: Final answer
    x = 195,027.25

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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.