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Finding the Fourth Proportional to 396,761.63, 594,958.16 and 144,010.04

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Solution

The fourth proportional to 396,761.63, 594,958.16 and 144,010.04 is: 215,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,761.63 : 594,958.16 = 144,010.04 : x
  2. Step 2: Convert to fraction form
    396,761.63/594,958.16 = 144,010.04/x
  3. Step 3: Cross multiply
    396,761.63x = 594,958.16 × 144,010.04
  4. Step 4: Simplify right side
    396,761.63x = 85,679,945,805.16
  5. Step 5: Solve for x
    x = 85,679,945,805.16/396,761.63
  6. Step 6: Final answer
    x = 215,948.17

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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.