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Finding the Fourth Proportional to 416.43, 574.71 and 241.80

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Solution

The fourth proportional to 416.43, 574.71 and 241.80 is: 333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.43 : 574.71 = 241.80 : x
  2. Step 2: Convert to fraction form
    416.43/574.71 = 241.80/x
  3. Step 3: Cross multiply
    416.43x = 574.71 × 241.80
  4. Step 4: Simplify right side
    416.43x = 138,964.88
  5. Step 5: Solve for x
    x = 138,964.88/416.43
  6. Step 6: Final answer
    x = 333.71

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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.