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Finding the Fourth Proportional to 297,757.20, 445,858.20 and 192,003.60

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Solution

The fourth proportional to 297,757.20, 445,858.20 and 192,003.60 is: 287,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,757.20 : 445,858.20 = 192,003.60 : x
  2. Step 2: Convert to fraction form
    297,757.20/445,858.20 = 192,003.60/x
  3. Step 3: Cross multiply
    297,757.20x = 445,858.20 × 192,003.60
  4. Step 4: Simplify right side
    297,757.20x = 85,606,379,489.52
  5. Step 5: Solve for x
    x = 85,606,379,489.52/297,757.20
  6. Step 6: Final answer
    x = 287,503.98

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1.5x scale

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.