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Finding the Fourth Proportional to 1,882,993.80, 2,821,380.24 and 1,603,057.80

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Solution

The fourth proportional to 1,882,993.80, 2,821,380.24 and 1,603,057.80 is: 2,401,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,993.80 : 2,821,380.24 = 1,603,057.80 : x
  2. Step 2: Convert to fraction form
    1,882,993.80/2,821,380.24 = 1,603,057.80/x
  3. Step 3: Cross multiply
    1,882,993.80x = 2,821,380.24 × 1,603,057.80
  4. Step 4: Simplify right side
    1,882,993.80x = 4,522,835,600,497.87
  5. Step 5: Solve for x
    x = 4,522,835,600,497.87/1,882,993.80
  6. Step 6: Final answer
    x = 2,401,938.66

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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.