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Finding the Fourth Proportional to 297.11, 446.29 and 181.62

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Solution

The fourth proportional to 297.11, 446.29 and 181.62 is: 272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.11 : 446.29 = 181.62 : x
  2. Step 2: Convert to fraction form
    297.11/446.29 = 181.62/x
  3. Step 3: Cross multiply
    297.11x = 446.29 × 181.62
  4. Step 4: Simplify right side
    297.11x = 81,055.19
  5. Step 5: Solve for x
    x = 81,055.19/297.11
  6. Step 6: Final answer
    x = 272.81

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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.