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Finding the Fourth Proportional to 297.43, 446.45 and 167.63

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Solution

The fourth proportional to 297.43, 446.45 and 167.63 is: 251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.43 : 446.45 = 167.63 : x
  2. Step 2: Convert to fraction form
    297.43/446.45 = 167.63/x
  3. Step 3: Cross multiply
    297.43x = 446.45 × 167.63
  4. Step 4: Simplify right side
    297.43x = 74,835.34
  5. Step 5: Solve for x
    x = 74,835.34/297.43
  6. Step 6: Final answer
    x = 251.61

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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.