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Finding the Fourth Proportional to 444.88, 667.23 and 120.27

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Solution

The fourth proportional to 444.88, 667.23 and 120.27 is: 180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.88 : 667.23 = 120.27 : x
  2. Step 2: Convert to fraction form
    444.88/667.23 = 120.27/x
  3. Step 3: Cross multiply
    444.88x = 667.23 × 120.27
  4. Step 4: Simplify right side
    444.88x = 80,247.75
  5. Step 5: Solve for x
    x = 80,247.75/444.88
  6. Step 6: Final answer
    x = 180.38

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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.