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Finding the Fourth Proportional to 416.56, 574.88 and 241.90

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Solution

The fourth proportional to 416.56, 574.88 and 241.90 is: 333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.56 : 574.88 = 241.90 : x
  2. Step 2: Convert to fraction form
    416.56/574.88 = 241.90/x
  3. Step 3: Cross multiply
    416.56x = 574.88 × 241.90
  4. Step 4: Simplify right side
    416.56x = 139,065.42
  5. Step 5: Solve for x
    x = 139,065.42/416.56
  6. Step 6: Final answer
    x = 333.84

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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.