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Finding the Fourth Proportional to 275.98, 414.36 and 167.84

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Solution

The fourth proportional to 275.98, 414.36 and 167.84 is: 252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.98 : 414.36 = 167.84 : x
  2. Step 2: Convert to fraction form
    275.98/414.36 = 167.84/x
  3. Step 3: Cross multiply
    275.98x = 414.36 × 167.84
  4. Step 4: Simplify right side
    275.98x = 69,546.18
  5. Step 5: Solve for x
    x = 69,546.18/275.98
  6. Step 6: Final answer
    x = 252.00

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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.