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Finding the Fourth Proportional to 269.44, 371.54 and 176.27

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Solution

The fourth proportional to 269.44, 371.54 and 176.27 is: 243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.44 : 371.54 = 176.27 : x
  2. Step 2: Convert to fraction form
    269.44/371.54 = 176.27/x
  3. Step 3: Cross multiply
    269.44x = 371.54 × 176.27
  4. Step 4: Simplify right side
    269.44x = 65,491.36
  5. Step 5: Solve for x
    x = 65,491.36/269.44
  6. Step 6: Final answer
    x = 243.06

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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.