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Finding the Fourth Proportional to 396,649.50, 594,974.25 and 101,161.50

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Solution

The fourth proportional to 396,649.50, 594,974.25 and 101,161.50 is: 151,742.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,649.50 : 594,974.25 = 101,161.50 : x
  2. Step 2: Convert to fraction form
    396,649.50/594,974.25 = 101,161.50/x
  3. Step 3: Cross multiply
    396,649.50x = 594,974.25 × 101,161.50
  4. Step 4: Simplify right side
    396,649.50x = 60,188,487,591.38
  5. Step 5: Solve for x
    x = 60,188,487,591.38/396,649.50
  6. Step 6: Final answer
    x = 151,742.25

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Double scale
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Similar ratio
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1.5x scale

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.