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Finding the Fourth Proportional to 441.94, 662.76 and 167.98

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Solution

The fourth proportional to 441.94, 662.76 and 167.98 is: 251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.94 : 662.76 = 167.98 : x
  2. Step 2: Convert to fraction form
    441.94/662.76 = 167.98/x
  3. Step 3: Cross multiply
    441.94x = 662.76 × 167.98
  4. Step 4: Simplify right side
    441.94x = 111,330.42
  5. Step 5: Solve for x
    x = 111,330.42/441.94
  6. Step 6: Final answer
    x = 251.91

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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.