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Finding the Fourth Proportional to 463.26, 694.89 and 155.04

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Solution

The fourth proportional to 463.26, 694.89 and 155.04 is: 232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    463.26 : 694.89 = 155.04 : x
  2. Step 2: Convert to fraction form
    463.26/694.89 = 155.04/x
  3. Step 3: Cross multiply
    463.26x = 694.89 × 155.04
  4. Step 4: Simplify right side
    463.26x = 107,734.97
  5. Step 5: Solve for x
    x = 107,734.97/463.26
  6. Step 6: Final answer
    x = 232.56

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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.