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Finding the Fourth Proportional to 682,893.20, 1,022,496.60 and 682,893.20

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Solution

The fourth proportional to 682,893.20, 1,022,496.60 and 682,893.20 is: 1,022,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,893.20 : 1,022,496.60 = 682,893.20 : x
  2. Step 2: Convert to fraction form
    682,893.20/1,022,496.60 = 682,893.20/x
  3. Step 3: Cross multiply
    682,893.20x = 1,022,496.60 × 682,893.20
  4. Step 4: Simplify right side
    682,893.20x = 698,255,975,163.12
  5. Step 5: Solve for x
    x = 698,255,975,163.12/682,893.20
  6. Step 6: Final answer
    x = 1,022,496.60

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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.