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Finding the Fourth Proportional to 322.31, 444.82 and 182.43

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Solution

The fourth proportional to 322.31, 444.82 and 182.43 is: 251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.31 : 444.82 = 182.43 : x
  2. Step 2: Convert to fraction form
    322.31/444.82 = 182.43/x
  3. Step 3: Cross multiply
    322.31x = 444.82 × 182.43
  4. Step 4: Simplify right side
    322.31x = 81,148.51
  5. Step 5: Solve for x
    x = 81,148.51/322.31
  6. Step 6: Final answer
    x = 251.77

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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.