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Finding the Fourth Proportional to 362.99, 544.52 and 131.88

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Solution

The fourth proportional to 362.99, 544.52 and 131.88 is: 197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.99 : 544.52 = 131.88 : x
  2. Step 2: Convert to fraction form
    362.99/544.52 = 131.88/x
  3. Step 3: Cross multiply
    362.99x = 544.52 × 131.88
  4. Step 4: Simplify right side
    362.99x = 71,810.64
  5. Step 5: Solve for x
    x = 71,810.64/362.99
  6. Step 6: Final answer
    x = 197.83

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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.