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Finding the Fourth Proportional to 269.16, 404.52 and 236.76

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Solution

The fourth proportional to 269.16, 404.52 and 236.76 is: 355.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.16 : 404.52 = 236.76 : x
  2. Step 2: Convert to fraction form
    269.16/404.52 = 236.76/x
  3. Step 3: Cross multiply
    269.16x = 404.52 × 236.76
  4. Step 4: Simplify right side
    269.16x = 95,774.16
  5. Step 5: Solve for x
    x = 95,774.16/269.16
  6. Step 6: Final answer
    x = 355.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.