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Finding the Fourth Proportional to 311,437.80, 466,172.55 and 244,515.60

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Solution

The fourth proportional to 311,437.80, 466,172.55 and 244,515.60 is: 366,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,437.80 : 466,172.55 = 244,515.60 : x
  2. Step 2: Convert to fraction form
    311,437.80/466,172.55 = 244,515.60/x
  3. Step 3: Cross multiply
    311,437.80x = 466,172.55 × 244,515.60
  4. Step 4: Simplify right side
    311,437.80x = 113,986,460,766.78
  5. Step 5: Solve for x
    x = 113,986,460,766.78/311,437.80
  6. Step 6: Final answer
    x = 366,000.73

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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.