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Finding the Fourth Proportional to 267.96, 372.34 and 266.88

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Solution

The fourth proportional to 267.96, 372.34 and 266.88 is: 370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.96 : 372.34 = 266.88 : x
  2. Step 2: Convert to fraction form
    267.96/372.34 = 266.88/x
  3. Step 3: Cross multiply
    267.96x = 372.34 × 266.88
  4. Step 4: Simplify right side
    267.96x = 99,370.10
  5. Step 5: Solve for x
    x = 99,370.10/267.96
  6. Step 6: Final answer
    x = 370.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.