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Finding the Fourth Proportional to 269.24, 401.58 and 226.17

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Solution

The fourth proportional to 269.24, 401.58 and 226.17 is: 337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.24 : 401.58 = 226.17 : x
  2. Step 2: Convert to fraction form
    269.24/401.58 = 226.17/x
  3. Step 3: Cross multiply
    269.24x = 401.58 × 226.17
  4. Step 4: Simplify right side
    269.24x = 90,825.35
  5. Step 5: Solve for x
    x = 90,825.35/269.24
  6. Step 6: Final answer
    x = 337.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.