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Finding the Fourth Proportional to 416.22, 574.42 and 241.57

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Solution

The fourth proportional to 416.22, 574.42 and 241.57 is: 333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.22 : 574.42 = 241.57 : x
  2. Step 2: Convert to fraction form
    416.22/574.42 = 241.57/x
  3. Step 3: Cross multiply
    416.22x = 574.42 × 241.57
  4. Step 4: Simplify right side
    416.22x = 138,762.64
  5. Step 5: Solve for x
    x = 138,762.64/416.22
  6. Step 6: Final answer
    x = 333.39

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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.