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Finding the Fourth Proportional to 297.13, 410.05 and 166.15

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Solution

The fourth proportional to 297.13, 410.05 and 166.15 is: 229.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.13 : 410.05 = 166.15 : x
  2. Step 2: Convert to fraction form
    297.13/410.05 = 166.15/x
  3. Step 3: Cross multiply
    297.13x = 410.05 × 166.15
  4. Step 4: Simplify right side
    297.13x = 68,129.81
  5. Step 5: Solve for x
    x = 68,129.81/297.13
  6. Step 6: Final answer
    x = 229.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.