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Finding the Fourth Proportional to 335,998.20, 504,227.70 and 149,143.80

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Solution

The fourth proportional to 335,998.20, 504,227.70 and 149,143.80 is: 223,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,998.20 : 504,227.70 = 149,143.80 : x
  2. Step 2: Convert to fraction form
    335,998.20/504,227.70 = 149,143.80/x
  3. Step 3: Cross multiply
    335,998.20x = 504,227.70 × 149,143.80
  4. Step 4: Simplify right side
    335,998.20x = 75,202,435,243.26
  5. Step 5: Solve for x
    x = 75,202,435,243.26/335,998.20
  6. Step 6: Final answer
    x = 223,817.97

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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.