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Finding the Fourth Proportional to 321.73, 444.11 and 233.34

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Solution

The fourth proportional to 321.73, 444.11 and 233.34 is: 322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321.73 : 444.11 = 233.34 : x
  2. Step 2: Convert to fraction form
    321.73/444.11 = 233.34/x
  3. Step 3: Cross multiply
    321.73x = 444.11 × 233.34
  4. Step 4: Simplify right side
    321.73x = 103,627.46
  5. Step 5: Solve for x
    x = 103,627.46/321.73
  6. Step 6: Final answer
    x = 322.10

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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.