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Finding the Fourth Proportional to 294.24, 441.03 and 131.61

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Solution

The fourth proportional to 294.24, 441.03 and 131.61 is: 197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.24 : 441.03 = 131.61 : x
  2. Step 2: Convert to fraction form
    294.24/441.03 = 131.61/x
  3. Step 3: Cross multiply
    294.24x = 441.03 × 131.61
  4. Step 4: Simplify right side
    294.24x = 58,043.96
  5. Step 5: Solve for x
    x = 58,043.96/294.24
  6. Step 6: Final answer
    x = 197.27

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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.