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Finding the Fourth Proportional to 2,743,492.80, 4,108,240.80 and 2,183,620.80

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Solution

The fourth proportional to 2,743,492.80, 4,108,240.80 and 2,183,620.80 is: 3,269,860.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743,492.80 : 4,108,240.80 = 2,183,620.80 : x
  2. Step 2: Convert to fraction form
    2,743,492.80/4,108,240.80 = 2,183,620.80/x
  3. Step 3: Cross multiply
    2,743,492.80x = 4,108,240.80 × 2,183,620.80
  4. Step 4: Simplify right side
    2,743,492.80x = 8,970,840,062,288.64
  5. Step 5: Solve for x
    x = 8,970,840,062,288.64/2,743,492.80
  6. Step 6: Final answer
    x = 3,269,860.98

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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.