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Finding the Fourth Proportional to 263.62, 395.70 and 119.44

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Solution

The fourth proportional to 263.62, 395.70 and 119.44 is: 179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.62 : 395.70 = 119.44 : x
  2. Step 2: Convert to fraction form
    263.62/395.70 = 119.44/x
  3. Step 3: Cross multiply
    263.62x = 395.70 × 119.44
  4. Step 4: Simplify right side
    263.62x = 47,262.41
  5. Step 5: Solve for x
    x = 47,262.41/263.62
  6. Step 6: Final answer
    x = 179.28

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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.