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Finding the Fourth Proportional to 844,800.45, 1,270,796.67 and 765,791.16

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Solution

The fourth proportional to 844,800.45, 1,270,796.67 and 765,791.16 is: 1,151,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,800.45 : 1,270,796.67 = 765,791.16 : x
  2. Step 2: Convert to fraction form
    844,800.45/1,270,796.67 = 765,791.16/x
  3. Step 3: Cross multiply
    844,800.45x = 1,270,796.67 × 765,791.16
  4. Step 4: Simplify right side
    844,800.45x = 973,164,856,043.44
  5. Step 5: Solve for x
    x = 973,164,856,043.44/844,800.45
  6. Step 6: Final answer
    x = 1,151,946.42

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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.