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Finding the Fourth Proportional to 550,608.83, 826,214.15 and 213,662.73

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Solution

The fourth proportional to 550,608.83, 826,214.15 and 213,662.73 is: 320,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,608.83 : 826,214.15 = 213,662.73 : x
  2. Step 2: Convert to fraction form
    550,608.83/826,214.15 = 213,662.73/x
  3. Step 3: Cross multiply
    550,608.83x = 826,214.15 × 213,662.73
  4. Step 4: Simplify right side
    550,608.83x = 176,531,171,387.79
  5. Step 5: Solve for x
    x = 176,531,171,387.79/550,608.83
  6. Step 6: Final answer
    x = 320,610.86

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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.