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Finding the Fourth Proportional to 311,373.36, 466,761 and 198,735.60

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Solution

The fourth proportional to 311,373.36, 466,761 and 198,735.60 is: 297,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,373.36 : 466,761 = 198,735.60 : x
  2. Step 2: Convert to fraction form
    311,373.36/466,761 = 198,735.60/x
  3. Step 3: Cross multiply
    311,373.36x = 466,761 × 198,735.60
  4. Step 4: Simplify right side
    311,373.36x = 92,762,027,391.60
  5. Step 5: Solve for x
    x = 92,762,027,391.60/311,373.36
  6. Step 6: Final answer
    x = 297,912.54

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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.