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Finding the Fourth Proportional to 416.55, 574.80 and 241.88

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Solution

The fourth proportional to 416.55, 574.80 and 241.88 is: 333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.55 : 574.80 = 241.88 : x
  2. Step 2: Convert to fraction form
    416.55/574.80 = 241.88/x
  3. Step 3: Cross multiply
    416.55x = 574.80 × 241.88
  4. Step 4: Simplify right side
    416.55x = 139,029.75
  5. Step 5: Solve for x
    x = 139,029.75/416.55
  6. Step 6: Final answer
    x = 333.76

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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.