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Finding the Fourth Proportional to 550,810.53, 826,255.89 and 230,640.48

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Solution

The fourth proportional to 550,810.53, 826,255.89 and 230,640.48 is: 345,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,810.53 : 826,255.89 = 230,640.48 : x
  2. Step 2: Convert to fraction form
    550,810.53/826,255.89 = 230,640.48/x
  3. Step 3: Cross multiply
    550,810.53x = 826,255.89 × 230,640.48
  4. Step 4: Simplify right side
    550,810.53x = 190,568,055,072.43
  5. Step 5: Solve for x
    x = 190,568,055,072.43/550,810.53
  6. Step 6: Final answer
    x = 345,977.51

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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.