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Finding the Fourth Proportional to 777,759.43, 1,167,057.41 and 749,450.25

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Solution

The fourth proportional to 777,759.43, 1,167,057.41 and 749,450.25 is: 1,124,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,759.43 : 1,167,057.41 = 749,450.25 : x
  2. Step 2: Convert to fraction form
    777,759.43/1,167,057.41 = 749,450.25/x
  3. Step 3: Cross multiply
    777,759.43x = 1,167,057.41 × 749,450.25
  4. Step 4: Simplify right side
    777,759.43x = 874,651,467,688.85
  5. Step 5: Solve for x
    x = 874,651,467,688.85/777,759.43
  6. Step 6: Final answer
    x = 1,124,578.42

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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.