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Finding the Fourth Proportional to 1,844,793.82, 2,765,883.96 and 819,561.01

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Solution

The fourth proportional to 1,844,793.82, 2,765,883.96 and 819,561.01 is: 1,228,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844,793.82 : 2,765,883.96 = 819,561.01 : x
  2. Step 2: Convert to fraction form
    1,844,793.82/2,765,883.96 = 819,561.01/x
  3. Step 3: Cross multiply
    1,844,793.82x = 2,765,883.96 × 819,561.01
  4. Step 4: Simplify right side
    1,844,793.82x = 2,266,810,651,800.40
  5. Step 5: Solve for x
    x = 2,266,810,651,800.40/1,844,793.82
  6. Step 6: Final answer
    x = 1,228,760.97

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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.