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Finding the Fourth Proportional to 569,589.30, 853,399.80 and 481,015.80

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Solution

The fourth proportional to 569,589.30, 853,399.80 and 481,015.80 is: 720,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,589.30 : 853,399.80 = 481,015.80 : x
  2. Step 2: Convert to fraction form
    569,589.30/853,399.80 = 481,015.80/x
  3. Step 3: Cross multiply
    569,589.30x = 853,399.80 × 481,015.80
  4. Step 4: Simplify right side
    569,589.30x = 410,498,787,516.84
  5. Step 5: Solve for x
    x = 410,498,787,516.84/569,589.30
  6. Step 6: Final answer
    x = 720,692.59

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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.