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Finding the Fourth Proportional to 396,610.40, 595,255.80 and 160,122.80

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Solution

The fourth proportional to 396,610.40, 595,255.80 and 160,122.80 is: 240,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,610.40 : 595,255.80 = 160,122.80 : x
  2. Step 2: Convert to fraction form
    396,610.40/595,255.80 = 160,122.80/x
  3. Step 3: Cross multiply
    396,610.40x = 595,255.80 × 160,122.80
  4. Step 4: Simplify right side
    396,610.40x = 95,314,025,412.24
  5. Step 5: Solve for x
    x = 95,314,025,412.24/396,610.40
  6. Step 6: Final answer
    x = 240,321.55

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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.