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Finding the Fourth Proportional to 206.22, 283.77 and 205.10

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Solution

The fourth proportional to 206.22, 283.77 and 205.10 is: 282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.22 : 283.77 = 205.10 : x
  2. Step 2: Convert to fraction form
    206.22/283.77 = 205.10/x
  3. Step 3: Cross multiply
    206.22x = 283.77 × 205.10
  4. Step 4: Simplify right side
    206.22x = 58,201.23
  5. Step 5: Solve for x
    x = 58,201.23/206.22
  6. Step 6: Final answer
    x = 282.23

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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.