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Finding the Fourth Proportional to 322.33, 444.82 and 191.35

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Solution

The fourth proportional to 322.33, 444.82 and 191.35 is: 264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.33 : 444.82 = 191.35 : x
  2. Step 2: Convert to fraction form
    322.33/444.82 = 191.35/x
  3. Step 3: Cross multiply
    322.33x = 444.82 × 191.35
  4. Step 4: Simplify right side
    322.33x = 85,116.31
  5. Step 5: Solve for x
    x = 85,116.31/322.33
  6. Step 6: Final answer
    x = 264.07

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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.