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Finding the Fourth Proportional to 395.94, 593.91 and 179.76

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Solution

The fourth proportional to 395.94, 593.91 and 179.76 is: 269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.94 : 593.91 = 179.76 : x
  2. Step 2: Convert to fraction form
    395.94/593.91 = 179.76/x
  3. Step 3: Cross multiply
    395.94x = 593.91 × 179.76
  4. Step 4: Simplify right side
    395.94x = 106,761.26
  5. Step 5: Solve for x
    x = 106,761.26/395.94
  6. Step 6: Final answer
    x = 269.64

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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.