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Finding the Fourth Proportional to 297.76, 410.90 and 166.77

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Solution

The fourth proportional to 297.76, 410.90 and 166.77 is: 230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.76 : 410.90 = 166.77 : x
  2. Step 2: Convert to fraction form
    297.76/410.90 = 166.77/x
  3. Step 3: Cross multiply
    297.76x = 410.90 × 166.77
  4. Step 4: Simplify right side
    297.76x = 68,525.79
  5. Step 5: Solve for x
    x = 68,525.79/297.76
  6. Step 6: Final answer
    x = 230.14

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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.