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Finding the Fourth Proportional to 416.25, 574.45 and 241.65

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Solution

The fourth proportional to 416.25, 574.45 and 241.65 is: 333.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.25 : 574.45 = 241.65 : x
  2. Step 2: Convert to fraction form
    416.25/574.45 = 241.65/x
  3. Step 3: Cross multiply
    416.25x = 574.45 × 241.65
  4. Step 4: Simplify right side
    416.25x = 138,815.24
  5. Step 5: Solve for x
    x = 138,815.24/416.25
  6. Step 6: Final answer
    x = 333.49

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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.