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Finding the Fourth Proportional to 444.18, 665.16 and 224.04

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Solution

The fourth proportional to 444.18, 665.16 and 224.04 is: 335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.18 : 665.16 = 224.04 : x
  2. Step 2: Convert to fraction form
    444.18/665.16 = 224.04/x
  3. Step 3: Cross multiply
    444.18x = 665.16 × 224.04
  4. Step 4: Simplify right side
    444.18x = 149,022.45
  5. Step 5: Solve for x
    x = 149,022.45/444.18
  6. Step 6: Final answer
    x = 335.50

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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.