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Finding the Fourth Proportional to 293.26, 440.01 and 163.42

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Solution

The fourth proportional to 293.26, 440.01 and 163.42 is: 245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.26 : 440.01 = 163.42 : x
  2. Step 2: Convert to fraction form
    293.26/440.01 = 163.42/x
  3. Step 3: Cross multiply
    293.26x = 440.01 × 163.42
  4. Step 4: Simplify right side
    293.26x = 71,906.43
  5. Step 5: Solve for x
    x = 71,906.43/293.26
  6. Step 6: Final answer
    x = 245.20

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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.