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Finding the Fourth Proportional to 463.14, 694.31 and 174.38

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Solution

The fourth proportional to 463.14, 694.31 and 174.38 is: 261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.14 : 694.31 = 174.38 : x
  2. Step 2: Convert to fraction form
    463.14/694.31 = 174.38/x
  3. Step 3: Cross multiply
    463.14x = 694.31 × 174.38
  4. Step 4: Simplify right side
    463.14x = 121,069.43
  5. Step 5: Solve for x
    x = 121,069.43/463.14
  6. Step 6: Final answer
    x = 261.41

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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.