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Finding the Fourth Proportional to 550,889.67, 826,043.78 and 171,739.73

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Solution

The fourth proportional to 550,889.67, 826,043.78 and 171,739.73 is: 257,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,889.67 : 826,043.78 = 171,739.73 : x
  2. Step 2: Convert to fraction form
    550,889.67/826,043.78 = 171,739.73/x
  3. Step 3: Cross multiply
    550,889.67x = 826,043.78 × 171,739.73
  4. Step 4: Simplify right side
    550,889.67x = 141,864,535,745.38
  5. Step 5: Solve for x
    x = 141,864,535,745.38/550,889.67
  6. Step 6: Final answer
    x = 257,518.96

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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.