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Finding the Fourth Proportional to 416.63, 624.97 and 160.13

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Solution

The fourth proportional to 416.63, 624.97 and 160.13 is: 240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.63 : 624.97 = 160.13 : x
  2. Step 2: Convert to fraction form
    416.63/624.97 = 160.13/x
  3. Step 3: Cross multiply
    416.63x = 624.97 × 160.13
  4. Step 4: Simplify right side
    416.63x = 100,072.92
  5. Step 5: Solve for x
    x = 100,072.92/416.63
  6. Step 6: Final answer
    x = 240.20

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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.