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Finding the Fourth Proportional to 800,546.80, 1,200,716.52 and 301,846

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Solution

The fourth proportional to 800,546.80, 1,200,716.52 and 301,846 is: 452,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,546.80 : 1,200,716.52 = 301,846 : x
  2. Step 2: Convert to fraction form
    800,546.80/1,200,716.52 = 301,846/x
  3. Step 3: Cross multiply
    800,546.80x = 1,200,716.52 × 301,846
  4. Step 4: Simplify right side
    800,546.80x = 362,431,478,695.92
  5. Step 5: Solve for x
    x = 362,431,478,695.92/800,546.80
  6. Step 6: Final answer
    x = 452,729.91

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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.