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Finding the Fourth Proportional to 267.14, 401.52 and 234.74

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Solution

The fourth proportional to 267.14, 401.52 and 234.74 is: 352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.14 : 401.52 = 234.74 : x
  2. Step 2: Convert to fraction form
    267.14/401.52 = 234.74/x
  3. Step 3: Cross multiply
    267.14x = 401.52 × 234.74
  4. Step 4: Simplify right side
    267.14x = 94,252.80
  5. Step 5: Solve for x
    x = 94,252.80/267.14
  6. Step 6: Final answer
    x = 352.82

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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.