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Finding the Fourth Proportional to 322.26, 444.71 and 174.89

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Solution

The fourth proportional to 322.26, 444.71 and 174.89 is: 241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.26 : 444.71 = 174.89 : x
  2. Step 2: Convert to fraction form
    322.26/444.71 = 174.89/x
  3. Step 3: Cross multiply
    322.26x = 444.71 × 174.89
  4. Step 4: Simplify right side
    322.26x = 77,773.35
  5. Step 5: Solve for x
    x = 77,773.35/322.26
  6. Step 6: Final answer
    x = 241.34

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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.