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Finding the Fourth Proportional to 396,480.73, 594,715.94 and 96,963.90

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Solution

The fourth proportional to 396,480.73, 594,715.94 and 96,963.90 is: 145,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,480.73 : 594,715.94 = 96,963.90 : x
  2. Step 2: Convert to fraction form
    396,480.73/594,715.94 = 96,963.90/x
  3. Step 3: Cross multiply
    396,480.73x = 594,715.94 × 96,963.90
  4. Step 4: Simplify right side
    396,480.73x = 57,665,976,449.75
  5. Step 5: Solve for x
    x = 57,665,976,449.75/396,480.73
  6. Step 6: Final answer
    x = 145,444.59

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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.