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Finding the Fourth Proportional to 332.29, 457.82 and 249.27

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Solution

The fourth proportional to 332.29, 457.82 and 249.27 is: 343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.29 : 457.82 = 249.27 : x
  2. Step 2: Convert to fraction form
    332.29/457.82 = 249.27/x
  3. Step 3: Cross multiply
    332.29x = 457.82 × 249.27
  4. Step 4: Simplify right side
    332.29x = 114,117.26
  5. Step 5: Solve for x
    x = 114,117.26/332.29
  6. Step 6: Final answer
    x = 343.43

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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.