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Finding the Fourth Proportional to 789,481.52, 1,183,172.52 and 683,805.68

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Solution

The fourth proportional to 789,481.52, 1,183,172.52 and 683,805.68 is: 1,024,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,481.52 : 1,183,172.52 = 683,805.68 : x
  2. Step 2: Convert to fraction form
    789,481.52/1,183,172.52 = 683,805.68/x
  3. Step 3: Cross multiply
    789,481.52x = 1,183,172.52 × 683,805.68
  4. Step 4: Simplify right side
    789,481.52x = 809,060,089,595.91
  5. Step 5: Solve for x
    x = 809,060,089,595.91/789,481.52
  6. Step 6: Final answer
    x = 1,024,799.28

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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.