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Finding the Fourth Proportional to 269.14, 403.44 and 236.74

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Solution

The fourth proportional to 269.14, 403.44 and 236.74 is: 354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.14 : 403.44 = 236.74 : x
  2. Step 2: Convert to fraction form
    269.14/403.44 = 236.74/x
  3. Step 3: Cross multiply
    269.14x = 403.44 × 236.74
  4. Step 4: Simplify right side
    269.14x = 95,510.39
  5. Step 5: Solve for x
    x = 95,510.39/269.14
  6. Step 6: Final answer
    x = 354.87

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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.