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Finding the Fourth Proportional to 252,591.60, 379,324.80 and 134,493.60

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Solution

The fourth proportional to 252,591.60, 379,324.80 and 134,493.60 is: 201,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,591.60 : 379,324.80 = 134,493.60 : x
  2. Step 2: Convert to fraction form
    252,591.60/379,324.80 = 134,493.60/x
  3. Step 3: Cross multiply
    252,591.60x = 379,324.80 × 134,493.60
  4. Step 4: Simplify right side
    252,591.60x = 51,016,757,921.28
  5. Step 5: Solve for x
    x = 51,016,757,921.28/252,591.60
  6. Step 6: Final answer
    x = 201,973.30

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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.