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Finding the Fourth Proportional to 1,960,844.83, 2,941,740.09 and 681,266.10

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Solution

The fourth proportional to 1,960,844.83, 2,941,740.09 and 681,266.10 is: 1,022,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,844.83 : 2,941,740.09 = 681,266.10 : x
  2. Step 2: Convert to fraction form
    1,960,844.83/2,941,740.09 = 681,266.10/x
  3. Step 3: Cross multiply
    1,960,844.83x = 2,941,740.09 × 681,266.10
  4. Step 4: Simplify right side
    1,960,844.83x = 2,004,107,798,327.95
  5. Step 5: Solve for x
    x = 2,004,107,798,327.95/1,960,844.83
  6. Step 6: Final answer
    x = 1,022,063.43

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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.