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Finding the Fourth Proportional to 396,954.33, 595,243.83 and 153,909.12

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Solution

The fourth proportional to 396,954.33, 595,243.83 and 153,909.12 is: 230,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,954.33 : 595,243.83 = 153,909.12 : x
  2. Step 2: Convert to fraction form
    396,954.33/595,243.83 = 153,909.12/x
  3. Step 3: Cross multiply
    396,954.33x = 595,243.83 × 153,909.12
  4. Step 4: Simplify right side
    396,954.33x = 91,613,454,060.73
  5. Step 5: Solve for x
    x = 91,613,454,060.73/396,954.33
  6. Step 6: Final answer
    x = 230,790.92

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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.