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Finding the Fourth Proportional to 580,227.68, 800,712.06 and 325,578.26

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Solution

The fourth proportional to 580,227.68, 800,712.06 and 325,578.26 is: 449,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,227.68 : 800,712.06 = 325,578.26 : x
  2. Step 2: Convert to fraction form
    580,227.68/800,712.06 = 325,578.26/x
  3. Step 3: Cross multiply
    580,227.68x = 800,712.06 × 325,578.26
  4. Step 4: Simplify right side
    580,227.68x = 260,694,439,255.82
  5. Step 5: Solve for x
    x = 260,694,439,255.82/580,227.68
  6. Step 6: Final answer
    x = 449,296.80

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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.