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Finding the Fourth Proportional to 573,558.70, 860,452.89 and 321,198.07

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Solution

The fourth proportional to 573,558.70, 860,452.89 and 321,198.07 is: 481,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,558.70 : 860,452.89 = 321,198.07 : x
  2. Step 2: Convert to fraction form
    573,558.70/860,452.89 = 321,198.07/x
  3. Step 3: Cross multiply
    573,558.70x = 860,452.89 × 321,198.07
  4. Step 4: Simplify right side
    573,558.70x = 276,375,807,593.92
  5. Step 5: Solve for x
    x = 276,375,807,593.92/573,558.70
  6. Step 6: Final answer
    x = 481,861.42

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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.