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Finding the Fourth Proportional to 444.98, 667.11 and 170.93

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Solution

The fourth proportional to 444.98, 667.11 and 170.93 is: 256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.98 : 667.11 = 170.93 : x
  2. Step 2: Convert to fraction form
    444.98/667.11 = 170.93/x
  3. Step 3: Cross multiply
    444.98x = 667.11 × 170.93
  4. Step 4: Simplify right side
    444.98x = 114,029.11
  5. Step 5: Solve for x
    x = 114,029.11/444.98
  6. Step 6: Final answer
    x = 256.26

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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.