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Finding the Fourth Proportional to 294.83, 406.80 and 163.82

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Solution

The fourth proportional to 294.83, 406.80 and 163.82 is: 226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.83 : 406.80 = 163.82 : x
  2. Step 2: Convert to fraction form
    294.83/406.80 = 163.82/x
  3. Step 3: Cross multiply
    294.83x = 406.80 × 163.82
  4. Step 4: Simplify right side
    294.83x = 66,641.98
  5. Step 5: Solve for x
    x = 66,641.98/294.83
  6. Step 6: Final answer
    x = 226.04

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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.