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Finding the Fourth Proportional to 269.24, 371.22 and 195.53

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Solution

The fourth proportional to 269.24, 371.22 and 195.53 is: 269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.24 : 371.22 = 195.53 : x
  2. Step 2: Convert to fraction form
    269.24/371.22 = 195.53/x
  3. Step 3: Cross multiply
    269.24x = 371.22 × 195.53
  4. Step 4: Simplify right side
    269.24x = 72,582.06
  5. Step 5: Solve for x
    x = 72,582.06/269.24
  6. Step 6: Final answer
    x = 269.59

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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.