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Finding the Fourth Proportional to 416.44, 625.02 and 160.12

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Solution

The fourth proportional to 416.44, 625.02 and 160.12 is: 240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.44 : 625.02 = 160.12 : x
  2. Step 2: Convert to fraction form
    416.44/625.02 = 160.12/x
  3. Step 3: Cross multiply
    416.44x = 625.02 × 160.12
  4. Step 4: Simplify right side
    416.44x = 100,078.20
  5. Step 5: Solve for x
    x = 100,078.20/416.44
  6. Step 6: Final answer
    x = 240.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.