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Finding the Fourth Proportional to 267.67, 369.20 and 174.50

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Solution

The fourth proportional to 267.67, 369.20 and 174.50 is: 240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.67 : 369.20 = 174.50 : x
  2. Step 2: Convert to fraction form
    267.67/369.20 = 174.50/x
  3. Step 3: Cross multiply
    267.67x = 369.20 × 174.50
  4. Step 4: Simplify right side
    267.67x = 64,425.40
  5. Step 5: Solve for x
    x = 64,425.40/267.67
  6. Step 6: Final answer
    x = 240.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.