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Finding the Fourth Proportional to 301.26, 451.41 and 179.22

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Solution

The fourth proportional to 301.26, 451.41 and 179.22 is: 268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.26 : 451.41 = 179.22 : x
  2. Step 2: Convert to fraction form
    301.26/451.41 = 179.22/x
  3. Step 3: Cross multiply
    301.26x = 451.41 × 179.22
  4. Step 4: Simplify right side
    301.26x = 80,901.70
  5. Step 5: Solve for x
    x = 80,901.70/301.26
  6. Step 6: Final answer
    x = 268.54

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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.