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Finding the Fourth Proportional to 226.26, 311.61 and 184.62

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Solution

The fourth proportional to 226.26, 311.61 and 184.62 is: 254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.26 : 311.61 = 184.62 : x
  2. Step 2: Convert to fraction form
    226.26/311.61 = 184.62/x
  3. Step 3: Cross multiply
    226.26x = 311.61 × 184.62
  4. Step 4: Simplify right side
    226.26x = 57,529.44
  5. Step 5: Solve for x
    x = 57,529.44/226.26
  6. Step 6: Final answer
    x = 254.26

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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.