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Finding the Fourth Proportional to 322,163.88, 444,571.77 and 193,173.55

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Solution

The fourth proportional to 322,163.88, 444,571.77 and 193,173.55 is: 266,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,163.88 : 444,571.77 = 193,173.55 : x
  2. Step 2: Convert to fraction form
    322,163.88/444,571.77 = 193,173.55/x
  3. Step 3: Cross multiply
    322,163.88x = 444,571.77 × 193,173.55
  4. Step 4: Simplify right side
    322,163.88x = 85,879,507,040.68
  5. Step 5: Solve for x
    x = 85,879,507,040.68/322,163.88
  6. Step 6: Final answer
    x = 266,570.87

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1.5x scale

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.