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Finding the Fourth Proportional to 267.54, 400.90 and 250.54

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Solution

The fourth proportional to 267.54, 400.90 and 250.54 is: 375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.54 : 400.90 = 250.54 : x
  2. Step 2: Convert to fraction form
    267.54/400.90 = 250.54/x
  3. Step 3: Cross multiply
    267.54x = 400.90 × 250.54
  4. Step 4: Simplify right side
    267.54x = 100,441.49
  5. Step 5: Solve for x
    x = 100,441.49/267.54
  6. Step 6: Final answer
    x = 375.43

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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.