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Finding the Fourth Proportional to 1,898,982.80, 2,848,027.08 and 550,789.64

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Solution

The fourth proportional to 1,898,982.80, 2,848,027.08 and 550,789.64 is: 826,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,982.80 : 2,848,027.08 = 550,789.64 : x
  2. Step 2: Convert to fraction form
    1,898,982.80/2,848,027.08 = 550,789.64/x
  3. Step 3: Cross multiply
    1,898,982.80x = 2,848,027.08 × 550,789.64
  4. Step 4: Simplify right side
    1,898,982.80x = 1,568,663,810,103.45
  5. Step 5: Solve for x
    x = 1,568,663,810,103.45/1,898,982.80
  6. Step 6: Final answer
    x = 826,054.78

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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.