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Finding the Fourth Proportional to 800,367.06, 1,200,552.60 and 327,052.32

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Solution

The fourth proportional to 800,367.06, 1,200,552.60 and 327,052.32 is: 490,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,367.06 : 1,200,552.60 = 327,052.32 : x
  2. Step 2: Convert to fraction form
    800,367.06/1,200,552.60 = 327,052.32/x
  3. Step 3: Cross multiply
    800,367.06x = 1,200,552.60 × 327,052.32
  4. Step 4: Simplify right side
    800,367.06x = 392,643,513,112.03
  5. Step 5: Solve for x
    x = 392,643,513,112.03/800,367.06
  6. Step 6: Final answer
    x = 490,579.30

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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.