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Finding the Fourth Proportional to 396,660.86, 595,107.94 and 159,881.66

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Solution

The fourth proportional to 396,660.86, 595,107.94 and 159,881.66 is: 239,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,660.86 : 595,107.94 = 159,881.66 : x
  2. Step 2: Convert to fraction form
    396,660.86/595,107.94 = 159,881.66/x
  3. Step 3: Cross multiply
    396,660.86x = 595,107.94 × 159,881.66
  4. Step 4: Simplify right side
    396,660.86x = 95,146,845,326.38
  5. Step 5: Solve for x
    x = 95,146,845,326.38/396,660.86
  6. Step 6: Final answer
    x = 239,869.51

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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.