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Finding the Fourth Proportional to 395.26, 593 and 151.81

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Solution

The fourth proportional to 395.26, 593 and 151.81 is: 227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.26 : 593 = 151.81 : x
  2. Step 2: Convert to fraction form
    395.26/593 = 151.81/x
  3. Step 3: Cross multiply
    395.26x = 593 × 151.81
  4. Step 4: Simplify right side
    395.26x = 90,023.33
  5. Step 5: Solve for x
    x = 90,023.33/395.26
  6. Step 6: Final answer
    x = 227.76

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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.