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Finding the Fourth Proportional to 599,763.56, 899,793.02 and 422,616.56

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Solution

The fourth proportional to 599,763.56, 899,793.02 and 422,616.56 is: 634,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,763.56 : 899,793.02 = 422,616.56 : x
  2. Step 2: Convert to fraction form
    599,763.56/899,793.02 = 422,616.56/x
  3. Step 3: Cross multiply
    599,763.56x = 899,793.02 × 422,616.56
  4. Step 4: Simplify right side
    599,763.56x = 380,267,427,381.99
  5. Step 5: Solve for x
    x = 380,267,427,381.99/599,763.56
  6. Step 6: Final answer
    x = 634,028.90

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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.