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Finding the Fourth Proportional to 249.93, 344.21 and 232.92

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Solution

The fourth proportional to 249.93, 344.21 and 232.92 is: 320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.93 : 344.21 = 232.92 : x
  2. Step 2: Convert to fraction form
    249.93/344.21 = 232.92/x
  3. Step 3: Cross multiply
    249.93x = 344.21 × 232.92
  4. Step 4: Simplify right side
    249.93x = 80,172.23
  5. Step 5: Solve for x
    x = 80,172.23/249.93
  6. Step 6: Final answer
    x = 320.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.