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Finding the Fourth Proportional to 844,771.15, 1,270,752.63 and 765,761.90

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Solution

The fourth proportional to 844,771.15, 1,270,752.63 and 765,761.90 is: 1,151,902.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,771.15 : 1,270,752.63 = 765,761.90 : x
  2. Step 2: Convert to fraction form
    844,771.15/1,270,752.63 = 765,761.90/x
  3. Step 3: Cross multiply
    844,771.15x = 1,270,752.63 × 765,761.90
  4. Step 4: Simplify right side
    844,771.15x = 973,093,948,455.12
  5. Step 5: Solve for x
    x = 973,093,948,455.12/844,771.15
  6. Step 6: Final answer
    x = 1,151,902.44

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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.