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Finding the Fourth Proportional to 599,589.14, 899,737.88 and 220,775.83

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Solution

The fourth proportional to 599,589.14, 899,737.88 and 220,775.83 is: 331,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,589.14 : 899,737.88 = 220,775.83 : x
  2. Step 2: Convert to fraction form
    599,589.14/899,737.88 = 220,775.83/x
  3. Step 3: Cross multiply
    599,589.14x = 899,737.88 × 220,775.83
  4. Step 4: Simplify right side
    599,589.14x = 198,640,373,886.22
  5. Step 5: Solve for x
    x = 198,640,373,886.22/599,589.14
  6. Step 6: Final answer
    x = 331,294.15

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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.