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Finding the Fourth Proportional to 322.74, 444.90 and 244.04

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Solution

The fourth proportional to 322.74, 444.90 and 244.04 is: 336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.74 : 444.90 = 244.04 : x
  2. Step 2: Convert to fraction form
    322.74/444.90 = 244.04/x
  3. Step 3: Cross multiply
    322.74x = 444.90 × 244.04
  4. Step 4: Simplify right side
    322.74x = 108,573.40
  5. Step 5: Solve for x
    x = 108,573.40/322.74
  6. Step 6: Final answer
    x = 336.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.