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Finding the Fourth Proportional to 267.68, 369.40 and 174.58

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Solution

The fourth proportional to 267.68, 369.40 and 174.58 is: 240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.68 : 369.40 = 174.58 : x
  2. Step 2: Convert to fraction form
    267.68/369.40 = 174.58/x
  3. Step 3: Cross multiply
    267.68x = 369.40 × 174.58
  4. Step 4: Simplify right side
    267.68x = 64,490.49
  5. Step 5: Solve for x
    x = 64,490.49/267.68
  6. Step 6: Final answer
    x = 240.92

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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.