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Finding the Fourth Proportional to 339,825.75, 468,960.09 and 188,922.75

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Solution

The fourth proportional to 339,825.75, 468,960.09 and 188,922.75 is: 260,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,825.75 : 468,960.09 = 188,922.75 : x
  2. Step 2: Convert to fraction form
    339,825.75/468,960.09 = 188,922.75/x
  3. Step 3: Cross multiply
    339,825.75x = 468,960.09 × 188,922.75
  4. Step 4: Simplify right side
    339,825.75x = 88,597,229,843.05
  5. Step 5: Solve for x
    x = 88,597,229,843.05/339,825.75
  6. Step 6: Final answer
    x = 260,713.70

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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.