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Finding the Fourth Proportional to 414.52, 571.99 and 227.99

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Solution

The fourth proportional to 414.52, 571.99 and 227.99 is: 314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.52 : 571.99 = 227.99 : x
  2. Step 2: Convert to fraction form
    414.52/571.99 = 227.99/x
  3. Step 3: Cross multiply
    414.52x = 571.99 × 227.99
  4. Step 4: Simplify right side
    414.52x = 130,407.04
  5. Step 5: Solve for x
    x = 130,407.04/414.52
  6. Step 6: Final answer
    x = 314.60

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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.