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Finding the Fourth Proportional to 269.24, 371.34 and 176.00

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Solution

The fourth proportional to 269.24, 371.34 and 176.00 is: 242.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.24 : 371.34 = 176.00 : x
  2. Step 2: Convert to fraction form
    269.24/371.34 = 176.00/x
  3. Step 3: Cross multiply
    269.24x = 371.34 × 176.00
  4. Step 4: Simplify right side
    269.24x = 65,353.98
  5. Step 5: Solve for x
    x = 65,353.98/269.24
  6. Step 6: Final answer
    x = 242.74

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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.