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Finding the Fourth Proportional to 396,625.84, 595,175.16 and 143,926.04

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Solution

The fourth proportional to 396,625.84, 595,175.16 and 143,926.04 is: 215,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,625.84 : 595,175.16 = 143,926.04 : x
  2. Step 2: Convert to fraction form
    396,625.84/595,175.16 = 143,926.04/x
  3. Step 3: Cross multiply
    396,625.84x = 595,175.16 × 143,926.04
  4. Step 4: Simplify right side
    396,625.84x = 85,661,205,046.84
  5. Step 5: Solve for x
    x = 85,661,205,046.84/396,625.84
  6. Step 6: Final answer
    x = 215,974.85

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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.