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Finding the Fourth Proportional to 362.98, 544.46 and 131.92

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Solution

The fourth proportional to 362.98, 544.46 and 131.92 is: 197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.98 : 544.46 = 131.92 : x
  2. Step 2: Convert to fraction form
    362.98/544.46 = 131.92/x
  3. Step 3: Cross multiply
    362.98x = 544.46 × 131.92
  4. Step 4: Simplify right side
    362.98x = 71,823.75
  5. Step 5: Solve for x
    x = 71,823.75/362.98
  6. Step 6: Final answer
    x = 197.87

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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.