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Finding the Fourth Proportional to 2,739,322.97, 4,107,978.43 and 941,696.45

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Solution

The fourth proportional to 2,739,322.97, 4,107,978.43 and 941,696.45 is: 1,412,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,322.97 : 4,107,978.43 = 941,696.45 : x
  2. Step 2: Convert to fraction form
    2,739,322.97/4,107,978.43 = 941,696.45/x
  3. Step 3: Cross multiply
    2,739,322.97x = 4,107,978.43 × 941,696.45
  4. Step 4: Simplify right side
    2,739,322.97x = 3,868,468,678,959.20
  5. Step 5: Solve for x
    x = 3,868,468,678,959.20/2,739,322.97
  6. Step 6: Final answer
    x = 1,412,198.83

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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.