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Finding the Fourth Proportional to 395.79, 593.52 and 179.34

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Solution

The fourth proportional to 395.79, 593.52 and 179.34 is: 268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.79 : 593.52 = 179.34 : x
  2. Step 2: Convert to fraction form
    395.79/593.52 = 179.34/x
  3. Step 3: Cross multiply
    395.79x = 593.52 × 179.34
  4. Step 4: Simplify right side
    395.79x = 106,441.88
  5. Step 5: Solve for x
    x = 106,441.88/395.79
  6. Step 6: Final answer
    x = 268.94

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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.