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Finding the Fourth Proportional to 322.06, 444.33 and 191.05

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Solution

The fourth proportional to 322.06, 444.33 and 191.05 is: 263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.06 : 444.33 = 191.05 : x
  2. Step 2: Convert to fraction form
    322.06/444.33 = 191.05/x
  3. Step 3: Cross multiply
    322.06x = 444.33 × 191.05
  4. Step 4: Simplify right side
    322.06x = 84,889.25
  5. Step 5: Solve for x
    x = 84,889.25/322.06
  6. Step 6: Final answer
    x = 263.58

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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.