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Finding the Fourth Proportional to 395.82, 593.74 and 107.26

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Solution

The fourth proportional to 395.82, 593.74 and 107.26 is: 160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.82 : 593.74 = 107.26 : x
  2. Step 2: Convert to fraction form
    395.82/593.74 = 107.26/x
  3. Step 3: Cross multiply
    395.82x = 593.74 × 107.26
  4. Step 4: Simplify right side
    395.82x = 63,684.55
  5. Step 5: Solve for x
    x = 63,684.55/395.82
  6. Step 6: Final answer
    x = 160.89

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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.