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Finding the Fourth Proportional to 362.98, 544.52 and 131.84

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Solution

The fourth proportional to 362.98, 544.52 and 131.84 is: 197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.98 : 544.52 = 131.84 : x
  2. Step 2: Convert to fraction form
    362.98/544.52 = 131.84/x
  3. Step 3: Cross multiply
    362.98x = 544.52 × 131.84
  4. Step 4: Simplify right side
    362.98x = 71,789.52
  5. Step 5: Solve for x
    x = 71,789.52/362.98
  6. Step 6: Final answer
    x = 197.78

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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.