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Finding the Fourth Proportional to 463.14, 694.72 and 174.42

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Solution

The fourth proportional to 463.14, 694.72 and 174.42 is: 261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.14 : 694.72 = 174.42 : x
  2. Step 2: Convert to fraction form
    463.14/694.72 = 174.42/x
  3. Step 3: Cross multiply
    463.14x = 694.72 × 174.42
  4. Step 4: Simplify right side
    463.14x = 121,173.06
  5. Step 5: Solve for x
    x = 121,173.06/463.14
  6. Step 6: Final answer
    x = 261.63

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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.