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Finding the Fourth Proportional to 396,231.18, 594,494.73 and 159,640.98

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Solution

The fourth proportional to 396,231.18, 594,494.73 and 159,640.98 is: 239,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,231.18 : 594,494.73 = 159,640.98 : x
  2. Step 2: Convert to fraction form
    396,231.18/594,494.73 = 159,640.98/x
  3. Step 3: Cross multiply
    396,231.18x = 594,494.73 × 159,640.98
  4. Step 4: Simplify right side
    396,231.18x = 94,905,721,302.04
  5. Step 5: Solve for x
    x = 94,905,721,302.04/396,231.18
  6. Step 6: Final answer
    x = 239,521.08

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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.