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Finding the Fourth Proportional to 263,453.28, 395,179.92 and 97,241.28

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Solution

The fourth proportional to 263,453.28, 395,179.92 and 97,241.28 is: 145,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,453.28 : 395,179.92 = 97,241.28 : x
  2. Step 2: Convert to fraction form
    263,453.28/395,179.92 = 97,241.28/x
  3. Step 3: Cross multiply
    263,453.28x = 395,179.92 × 97,241.28
  4. Step 4: Simplify right side
    263,453.28x = 38,427,801,251.10
  5. Step 5: Solve for x
    x = 38,427,801,251.10/263,453.28
  6. Step 6: Final answer
    x = 145,861.92

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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.