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Finding the Fourth Proportional to 1,995,545, 2,993,343.42 and 665,849

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Solution

The fourth proportional to 1,995,545, 2,993,343.42 and 665,849 is: 998,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,545 : 2,993,343.42 = 665,849 : x
  2. Step 2: Convert to fraction form
    1,995,545/2,993,343.42 = 665,849/x
  3. Step 3: Cross multiply
    1,995,545x = 2,993,343.42 × 665,849
  4. Step 4: Simplify right side
    1,995,545x = 1,993,114,722,863.58
  5. Step 5: Solve for x
    x = 1,993,114,722,863.58/1,995,545
  6. Step 6: Final answer
    x = 998,782.15

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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.