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Finding the Fourth Proportional to 682,891.60, 1,022,004.60 and 598,910.80

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Solution

The fourth proportional to 682,891.60, 1,022,004.60 and 598,910.80 is: 896,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,891.60 : 1,022,004.60 = 598,910.80 : x
  2. Step 2: Convert to fraction form
    682,891.60/1,022,004.60 = 598,910.80/x
  3. Step 3: Cross multiply
    682,891.60x = 1,022,004.60 × 598,910.80
  4. Step 4: Simplify right side
    682,891.60x = 612,089,592,589.68
  5. Step 5: Solve for x
    x = 612,089,592,589.68/682,891.60
  6. Step 6: Final answer
    x = 896,320.28

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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.