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Finding the Fourth Proportional to 249.99, 344.96 and 232.57

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Solution

The fourth proportional to 249.99, 344.96 and 232.57 is: 320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.99 : 344.96 = 232.57 : x
  2. Step 2: Convert to fraction form
    249.99/344.96 = 232.57/x
  3. Step 3: Cross multiply
    249.99x = 344.96 × 232.57
  4. Step 4: Simplify right side
    249.99x = 80,227.49
  5. Step 5: Solve for x
    x = 80,227.49/249.99
  6. Step 6: Final answer
    x = 320.93

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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.