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Finding the Fourth Proportional to 1,794,906.90, 2,693,829.15 and 1,780,910.10

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Solution

The fourth proportional to 1,794,906.90, 2,693,829.15 and 1,780,910.10 is: 2,672,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,906.90 : 2,693,829.15 = 1,780,910.10 : x
  2. Step 2: Convert to fraction form
    1,794,906.90/2,693,829.15 = 1,780,910.10/x
  3. Step 3: Cross multiply
    1,794,906.90x = 2,693,829.15 × 1,780,910.10
  4. Step 4: Simplify right side
    1,794,906.90x = 4,797,467,540,909.42
  5. Step 5: Solve for x
    x = 4,797,467,540,909.42/1,794,906.90
  6. Step 6: Final answer
    x = 2,672,822.50

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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.