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Finding the Fourth Proportional to 297.56, 410.79 and 199.83

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Solution

The fourth proportional to 297.56, 410.79 and 199.83 is: 275.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    297.56 : 410.79 = 199.83 : x
  2. Step 2: Convert to fraction form
    297.56/410.79 = 199.83/x
  3. Step 3: Cross multiply
    297.56x = 410.79 × 199.83
  4. Step 4: Simplify right side
    297.56x = 82,088.17
  5. Step 5: Solve for x
    x = 82,088.17/297.56
  6. Step 6: Final answer
    x = 275.88

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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.