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Finding the Fourth Proportional to 444, 665.90 and 170.04

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Solution

The fourth proportional to 444, 665.90 and 170.04 is: 255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    444 : 665.90 = 170.04 : x
  2. Step 2: Convert to fraction form
    444/665.90 = 170.04/x
  3. Step 3: Cross multiply
    444x = 665.90 × 170.04
  4. Step 4: Simplify right side
    444x = 113,229.64
  5. Step 5: Solve for x
    x = 113,229.64/444
  6. Step 6: Final answer
    x = 255.02

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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.