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Finding the Fourth Proportional to 395.87, 593.82 and 179.46

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Solution

The fourth proportional to 395.87, 593.82 and 179.46 is: 269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.87 : 593.82 = 179.46 : x
  2. Step 2: Convert to fraction form
    395.87/593.82 = 179.46/x
  3. Step 3: Cross multiply
    395.87x = 593.82 × 179.46
  4. Step 4: Simplify right side
    395.87x = 106,566.94
  5. Step 5: Solve for x
    x = 106,566.94/395.87
  6. Step 6: Final answer
    x = 269.20

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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.