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Finding the Fourth Proportional to 379,082.97, 568,951.97 and 154,567.17

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Solution

The fourth proportional to 379,082.97, 568,951.97 and 154,567.17 is: 231,984.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,082.97 : 568,951.97 = 154,567.17 : x
  2. Step 2: Convert to fraction form
    379,082.97/568,951.97 = 154,567.17/x
  3. Step 3: Cross multiply
    379,082.97x = 568,951.97 × 154,567.17
  4. Step 4: Simplify right side
    379,082.97x = 87,941,295,095.99
  5. Step 5: Solve for x
    x = 87,941,295,095.99/379,082.97
  6. Step 6: Final answer
    x = 231,984.29

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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.