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Finding the Fourth Proportional to 232.79, 349.21 and 175.13

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Solution

The fourth proportional to 232.79, 349.21 and 175.13 is: 262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.79 : 349.21 = 175.13 : x
  2. Step 2: Convert to fraction form
    232.79/349.21 = 175.13/x
  3. Step 3: Cross multiply
    232.79x = 349.21 × 175.13
  4. Step 4: Simplify right side
    232.79x = 61,156.93
  5. Step 5: Solve for x
    x = 61,156.93/232.79
  6. Step 6: Final answer
    x = 262.71

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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.