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Finding the Fourth Proportional to 376.12, 563.32 and 267.56

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Solution

The fourth proportional to 376.12, 563.32 and 267.56 is: 400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.12 : 563.32 = 267.56 : x
  2. Step 2: Convert to fraction form
    376.12/563.32 = 267.56/x
  3. Step 3: Cross multiply
    376.12x = 563.32 × 267.56
  4. Step 4: Simplify right side
    376.12x = 150,721.90
  5. Step 5: Solve for x
    x = 150,721.90/376.12
  6. Step 6: Final answer
    x = 400.73

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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.