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Finding the Fourth Proportional to 322,591.75, 445,176.62 and 181,279.75

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Solution

The fourth proportional to 322,591.75, 445,176.62 and 181,279.75 is: 250,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,591.75 : 445,176.62 = 181,279.75 : x
  2. Step 2: Convert to fraction form
    322,591.75/445,176.62 = 181,279.75/x
  3. Step 3: Cross multiply
    322,591.75x = 445,176.62 × 181,279.75
  4. Step 4: Simplify right side
    322,591.75x = 80,701,506,379.45
  5. Step 5: Solve for x
    x = 80,701,506,379.45/322,591.75
  6. Step 6: Final answer
    x = 250,166.06

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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.