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Finding the Fourth Proportional to 297.73, 410.80 and 166.73

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Solution

The fourth proportional to 297.73, 410.80 and 166.73 is: 230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.73 : 410.80 = 166.73 : x
  2. Step 2: Convert to fraction form
    297.73/410.80 = 166.73/x
  3. Step 3: Cross multiply
    297.73x = 410.80 × 166.73
  4. Step 4: Simplify right side
    297.73x = 68,492.68
  5. Step 5: Solve for x
    x = 68,492.68/297.73
  6. Step 6: Final answer
    x = 230.05

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Why These Related Problems?

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