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Finding the Fourth Proportional to 844,777.82, 1,270,762.68 and 765,768.56

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Solution

The fourth proportional to 844,777.82, 1,270,762.68 and 765,768.56 is: 1,151,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,777.82 : 1,270,762.68 = 765,768.56 : x
  2. Step 2: Convert to fraction form
    844,777.82/1,270,762.68 = 765,768.56/x
  3. Step 3: Cross multiply
    844,777.82x = 1,270,762.68 × 765,768.56
  4. Step 4: Simplify right side
    844,777.82x = 973,110,107,565.34
  5. Step 5: Solve for x
    x = 973,110,107,565.34/844,777.82
  6. Step 6: Final answer
    x = 1,151,912.47

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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.