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Finding the Fourth Proportional to 322,164.20, 444,572.20 and 193,173.86

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Solution

The fourth proportional to 322,164.20, 444,572.20 and 193,173.86 is: 266,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,164.20 : 444,572.20 = 193,173.86 : x
  2. Step 2: Convert to fraction form
    322,164.20/444,572.20 = 193,173.86/x
  3. Step 3: Cross multiply
    322,164.20x = 444,572.20 × 193,173.86
  4. Step 4: Simplify right side
    322,164.20x = 85,879,728,551.19
  5. Step 5: Solve for x
    x = 85,879,728,551.19/322,164.20
  6. Step 6: Final answer
    x = 266,571.30

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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.