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Finding the Fourth Proportional to 297.57, 410.67 and 173.27

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Solution

The fourth proportional to 297.57, 410.67 and 173.27 is: 239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.57 : 410.67 = 173.27 : x
  2. Step 2: Convert to fraction form
    297.57/410.67 = 173.27/x
  3. Step 3: Cross multiply
    297.57x = 410.67 × 173.27
  4. Step 4: Simplify right side
    297.57x = 71,156.79
  5. Step 5: Solve for x
    x = 71,156.79/297.57
  6. Step 6: Final answer
    x = 239.13

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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.