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Finding the Fourth Proportional to 297.48, 445.91 and 167.32

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Solution

The fourth proportional to 297.48, 445.91 and 167.32 is: 250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.48 : 445.91 = 167.32 : x
  2. Step 2: Convert to fraction form
    297.48/445.91 = 167.32/x
  3. Step 3: Cross multiply
    297.48x = 445.91 × 167.32
  4. Step 4: Simplify right side
    297.48x = 74,607.71
  5. Step 5: Solve for x
    x = 74,607.71/297.48
  6. Step 6: Final answer
    x = 250.80

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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.