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Finding the Fourth Proportional to 1,995,891.30, 2,801,333.70 and 1,995,891.30

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Solution

The fourth proportional to 1,995,891.30, 2,801,333.70 and 1,995,891.30 is: 2,801,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,891.30 : 2,801,333.70 = 1,995,891.30 : x
  2. Step 2: Convert to fraction form
    1,995,891.30/2,801,333.70 = 1,995,891.30/x
  3. Step 3: Cross multiply
    1,995,891.30x = 2,801,333.70 × 1,995,891.30
  4. Step 4: Simplify right side
    1,995,891.30x = 5,591,157,560,226.81
  5. Step 5: Solve for x
    x = 5,591,157,560,226.81/1,995,891.30
  6. Step 6: Final answer
    x = 2,801,333.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.