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Finding the Fourth Proportional to 414.46, 572.00 and 227.99

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Solution

The fourth proportional to 414.46, 572.00 and 227.99 is: 314.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414.46 : 572.00 = 227.99 : x
  2. Step 2: Convert to fraction form
    414.46/572.00 = 227.99/x
  3. Step 3: Cross multiply
    414.46x = 572.00 × 227.99
  4. Step 4: Simplify right side
    414.46x = 130,406.28
  5. Step 5: Solve for x
    x = 130,406.28/414.46
  6. Step 6: Final answer
    x = 314.64

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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.