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Finding the Fourth Proportional to 293.44, 440.44 and 131.16

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Solution

The fourth proportional to 293.44, 440.44 and 131.16 is: 196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.44 : 440.44 = 131.16 : x
  2. Step 2: Convert to fraction form
    293.44/440.44 = 131.16/x
  3. Step 3: Cross multiply
    293.44x = 440.44 × 131.16
  4. Step 4: Simplify right side
    293.44x = 57,768.11
  5. Step 5: Solve for x
    x = 57,768.11/293.44
  6. Step 6: Final answer
    x = 196.87

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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.