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Finding the Fourth Proportional to 301.26, 451.94 and 179.46

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Solution

The fourth proportional to 301.26, 451.94 and 179.46 is: 269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.26 : 451.94 = 179.46 : x
  2. Step 2: Convert to fraction form
    301.26/451.94 = 179.46/x
  3. Step 3: Cross multiply
    301.26x = 451.94 × 179.46
  4. Step 4: Simplify right side
    301.26x = 81,105.15
  5. Step 5: Solve for x
    x = 81,105.15/301.26
  6. Step 6: Final answer
    x = 269.22

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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.