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Finding the Fourth Proportional to 1,993,168.80, 2,982,754.80 and 1,363,312.80

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Solution

The fourth proportional to 1,993,168.80, 2,982,754.80 and 1,363,312.80 is: 2,040,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,168.80 : 2,982,754.80 = 1,363,312.80 : x
  2. Step 2: Convert to fraction form
    1,993,168.80/2,982,754.80 = 1,363,312.80/x
  3. Step 3: Cross multiply
    1,993,168.80x = 2,982,754.80 × 1,363,312.80
  4. Step 4: Simplify right side
    1,993,168.80x = 4,066,427,798,101.44
  5. Step 5: Solve for x
    x = 4,066,427,798,101.44/1,993,168.80
  6. Step 6: Final answer
    x = 2,040,182.35

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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.