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Finding the Fourth Proportional to 297.22, 445.40 and 167.47

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Solution

The fourth proportional to 297.22, 445.40 and 167.47 is: 250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.22 : 445.40 = 167.47 : x
  2. Step 2: Convert to fraction form
    297.22/445.40 = 167.47/x
  3. Step 3: Cross multiply
    297.22x = 445.40 × 167.47
  4. Step 4: Simplify right side
    297.22x = 74,592.06
  5. Step 5: Solve for x
    x = 74,592.06/297.22
  6. Step 6: Final answer
    x = 250.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.