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Finding the Fourth Proportional to 1,943,908.52, 2,682,594.92 and 1,084,468.80

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Solution

The fourth proportional to 1,943,908.52, 2,682,594.92 and 1,084,468.80 is: 1,496,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,908.52 : 2,682,594.92 = 1,084,468.80 : x
  2. Step 2: Convert to fraction form
    1,943,908.52/2,682,594.92 = 1,084,468.80/x
  3. Step 3: Cross multiply
    1,943,908.52x = 2,682,594.92 × 1,084,468.80
  4. Step 4: Simplify right side
    1,943,908.52x = 2,909,190,493,778.50
  5. Step 5: Solve for x
    x = 2,909,190,493,778.50/1,943,908.52
  6. Step 6: Final answer
    x = 1,496,567.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.