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Finding the Fourth Proportional to 551,450.80, 825,793.80 and 440,858.80

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Solution

The fourth proportional to 551,450.80, 825,793.80 and 440,858.80 is: 660,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,450.80 : 825,793.80 = 440,858.80 : x
  2. Step 2: Convert to fraction form
    551,450.80/825,793.80 = 440,858.80/x
  3. Step 3: Cross multiply
    551,450.80x = 825,793.80 × 440,858.80
  4. Step 4: Simplify right side
    551,450.80x = 364,058,463,715.44
  5. Step 5: Solve for x
    x = 364,058,463,715.44/551,450.80
  6. Step 6: Final answer
    x = 660,183.04

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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.