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Finding the Fourth Proportional to 267,338.90, 401,635.46 and 252,207.28

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Solution

The fourth proportional to 267,338.90, 401,635.46 and 252,207.28 is: 378,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,338.90 : 401,635.46 = 252,207.28 : x
  2. Step 2: Convert to fraction form
    267,338.90/401,635.46 = 252,207.28/x
  3. Step 3: Cross multiply
    267,338.90x = 401,635.46 × 252,207.28
  4. Step 4: Simplify right side
    267,338.90x = 101,295,386,918.15
  5. Step 5: Solve for x
    x = 101,295,386,918.15/267,338.90
  6. Step 6: Final answer
    x = 378,902.54

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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.