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Finding the Fourth Proportional to 301.19, 452.61 and 179.48

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Solution

The fourth proportional to 301.19, 452.61 and 179.48 is: 269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.19 : 452.61 = 179.48 : x
  2. Step 2: Convert to fraction form
    301.19/452.61 = 179.48/x
  3. Step 3: Cross multiply
    301.19x = 452.61 × 179.48
  4. Step 4: Simplify right side
    301.19x = 81,234.44
  5. Step 5: Solve for x
    x = 81,234.44/301.19
  6. Step 6: Final answer
    x = 269.71

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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.