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Finding the Fourth Proportional to 416.26, 624.12 and 224.02

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Solution

The fourth proportional to 416.26, 624.12 and 224.02 is: 335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.26 : 624.12 = 224.02 : x
  2. Step 2: Convert to fraction form
    416.26/624.12 = 224.02/x
  3. Step 3: Cross multiply
    416.26x = 624.12 × 224.02
  4. Step 4: Simplify right side
    416.26x = 139,815.36
  5. Step 5: Solve for x
    x = 139,815.36/416.26
  6. Step 6: Final answer
    x = 335.88

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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.