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Finding the Fourth Proportional to 396,448.96, 594,517.92 and 159,747.52

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Solution

The fourth proportional to 396,448.96, 594,517.92 and 159,747.52 is: 239,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,448.96 : 594,517.92 = 159,747.52 : x
  2. Step 2: Convert to fraction form
    396,448.96/594,517.92 = 159,747.52/x
  3. Step 3: Cross multiply
    396,448.96x = 594,517.92 × 159,747.52
  4. Step 4: Simplify right side
    396,448.96x = 94,972,763,315.56
  5. Step 5: Solve for x
    x = 94,972,763,315.56/396,448.96
  6. Step 6: Final answer
    x = 239,558.61

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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.