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Finding the Fourth Proportional to 396,398.49, 594,523.76 and 183,158.03

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Solution

The fourth proportional to 396,398.49, 594,523.76 and 183,158.03 is: 274,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,398.49 : 594,523.76 = 183,158.03 : x
  2. Step 2: Convert to fraction form
    396,398.49/594,523.76 = 183,158.03/x
  3. Step 3: Cross multiply
    396,398.49x = 594,523.76 × 183,158.03
  4. Step 4: Simplify right side
    396,398.49x = 108,891,796,781.38
  5. Step 5: Solve for x
    x = 108,891,796,781.38/396,398.49
  6. Step 6: Final answer
    x = 274,702.85

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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.