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Finding the Fourth Proportional to 297.16, 446.19 and 181.43

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Solution

The fourth proportional to 297.16, 446.19 and 181.43 is: 272.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.16 : 446.19 = 181.43 : x
  2. Step 2: Convert to fraction form
    297.16/446.19 = 181.43/x
  3. Step 3: Cross multiply
    297.16x = 446.19 × 181.43
  4. Step 4: Simplify right side
    297.16x = 80,952.25
  5. Step 5: Solve for x
    x = 80,952.25/297.16
  6. Step 6: Final answer
    x = 272.42

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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.