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Finding the Fourth Proportional to 396,480.86, 594,716.12 and 96,964.03

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Solution

The fourth proportional to 396,480.86, 594,716.12 and 96,964.03 is: 145,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,480.86 : 594,716.12 = 96,964.03 : x
  2. Step 2: Convert to fraction form
    396,480.86/594,716.12 = 96,964.03/x
  3. Step 3: Cross multiply
    396,480.86x = 594,716.12 × 96,964.03
  4. Step 4: Simplify right side
    396,480.86x = 57,666,070,456.78
  5. Step 5: Solve for x
    x = 57,666,070,456.78/396,480.86
  6. Step 6: Final answer
    x = 145,444.78

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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.