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Finding the Fourth Proportional to 548,958.87, 823,517.01 and 169,912.89

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Solution

The fourth proportional to 548,958.87, 823,517.01 and 169,912.89 is: 254,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,958.87 : 823,517.01 = 169,912.89 : x
  2. Step 2: Convert to fraction form
    548,958.87/823,517.01 = 169,912.89/x
  3. Step 3: Cross multiply
    548,958.87x = 823,517.01 × 169,912.89
  4. Step 4: Simplify right side
    548,958.87x = 139,926,155,133.26
  5. Step 5: Solve for x
    x = 139,926,155,133.26/548,958.87
  6. Step 6: Final answer
    x = 254,893.70

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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.