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Finding the Fourth Proportional to 322.41, 445.76 and 244.14

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Solution

The fourth proportional to 322.41, 445.76 and 244.14 is: 337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.41 : 445.76 = 244.14 : x
  2. Step 2: Convert to fraction form
    322.41/445.76 = 244.14/x
  3. Step 3: Cross multiply
    322.41x = 445.76 × 244.14
  4. Step 4: Simplify right side
    322.41x = 108,826.63
  5. Step 5: Solve for x
    x = 108,826.63/322.41
  6. Step 6: Final answer
    x = 337.54

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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.