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Finding the Fourth Proportional to 822,735.20, 1,234,102.80 and 656,847.20

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Solution

The fourth proportional to 822,735.20, 1,234,102.80 and 656,847.20 is: 985,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,735.20 : 1,234,102.80 = 656,847.20 : x
  2. Step 2: Convert to fraction form
    822,735.20/1,234,102.80 = 656,847.20/x
  3. Step 3: Cross multiply
    822,735.20x = 1,234,102.80 × 656,847.20
  4. Step 4: Simplify right side
    822,735.20x = 810,616,968,692.16
  5. Step 5: Solve for x
    x = 810,616,968,692.16/822,735.20
  6. Step 6: Final answer
    x = 985,270.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.