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Finding the Fourth Proportional to 463.48, 694.68 and 174.64

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Solution

The fourth proportional to 463.48, 694.68 and 174.64 is: 261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.48 : 694.68 = 174.64 : x
  2. Step 2: Convert to fraction form
    463.48/694.68 = 174.64/x
  3. Step 3: Cross multiply
    463.48x = 694.68 × 174.64
  4. Step 4: Simplify right side
    463.48x = 121,318.92
  5. Step 5: Solve for x
    x = 121,318.92/463.48
  6. Step 6: Final answer
    x = 261.76

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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.