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Finding the Fourth Proportional to 269.85, 372.26 and 175.46

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Solution

The fourth proportional to 269.85, 372.26 and 175.46 is: 242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.85 : 372.26 = 175.46 : x
  2. Step 2: Convert to fraction form
    269.85/372.26 = 175.46/x
  3. Step 3: Cross multiply
    269.85x = 372.26 × 175.46
  4. Step 4: Simplify right side
    269.85x = 65,314.00
  5. Step 5: Solve for x
    x = 65,314.00/269.85
  6. Step 6: Final answer
    x = 242.04

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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.