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Finding the Fourth Proportional to 580,288.78, 800,593.23 and 379,201.42

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Solution

The fourth proportional to 580,288.78, 800,593.23 and 379,201.42 is: 523,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,288.78 : 800,593.23 = 379,201.42 : x
  2. Step 2: Convert to fraction form
    580,288.78/800,593.23 = 379,201.42/x
  3. Step 3: Cross multiply
    580,288.78x = 800,593.23 × 379,201.42
  4. Step 4: Simplify right side
    580,288.78x = 303,586,089,658.39
  5. Step 5: Solve for x
    x = 303,586,089,658.39/580,288.78
  6. Step 6: Final answer
    x = 523,163.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.