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Finding the Fourth Proportional to 362.88, 544.41 and 119.42

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Solution

The fourth proportional to 362.88, 544.41 and 119.42 is: 179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.88 : 544.41 = 119.42 : x
  2. Step 2: Convert to fraction form
    362.88/544.41 = 119.42/x
  3. Step 3: Cross multiply
    362.88x = 544.41 × 119.42
  4. Step 4: Simplify right side
    362.88x = 65,012.76
  5. Step 5: Solve for x
    x = 65,012.76/362.88
  6. Step 6: Final answer
    x = 179.16

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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.