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Finding the Fourth Proportional to 322.68, 445.32 and 206.04

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Solution

The fourth proportional to 322.68, 445.32 and 206.04 is: 284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.68 : 445.32 = 206.04 : x
  2. Step 2: Convert to fraction form
    322.68/445.32 = 206.04/x
  3. Step 3: Cross multiply
    322.68x = 445.32 × 206.04
  4. Step 4: Simplify right side
    322.68x = 91,753.73
  5. Step 5: Solve for x
    x = 91,753.73/322.68
  6. Step 6: Final answer
    x = 284.35

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