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Finding the Fourth Proportional to 293.76, 440.37 and 165.24

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Solution

The fourth proportional to 293.76, 440.37 and 165.24 is: 247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.76 : 440.37 = 165.24 : x
  2. Step 2: Convert to fraction form
    293.76/440.37 = 165.24/x
  3. Step 3: Cross multiply
    293.76x = 440.37 × 165.24
  4. Step 4: Simplify right side
    293.76x = 72,766.74
  5. Step 5: Solve for x
    x = 72,766.74/293.76
  6. Step 6: Final answer
    x = 247.71

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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.