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Finding the Fourth Proportional to 396,663.48, 594,902.88 and 159,942.60

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Solution

The fourth proportional to 396,663.48, 594,902.88 and 159,942.60 is: 239,876.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,663.48 : 594,902.88 = 159,942.60 : x
  2. Step 2: Convert to fraction form
    396,663.48/594,902.88 = 159,942.60/x
  3. Step 3: Cross multiply
    396,663.48x = 594,902.88 × 159,942.60
  4. Step 4: Simplify right side
    396,663.48x = 95,150,313,374.69
  5. Step 5: Solve for x
    x = 95,150,313,374.69/396,663.48
  6. Step 6: Final answer
    x = 239,876.67

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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.