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Finding the Fourth Proportional to 550,910.23, 826,504.29 and 266,736.92

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Solution

The fourth proportional to 550,910.23, 826,504.29 and 266,736.92 is: 400,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,910.23 : 826,504.29 = 266,736.92 : x
  2. Step 2: Convert to fraction form
    550,910.23/826,504.29 = 266,736.92/x
  3. Step 3: Cross multiply
    550,910.23x = 826,504.29 × 266,736.92
  4. Step 4: Simplify right side
    550,910.23x = 220,459,204,548.87
  5. Step 5: Solve for x
    x = 220,459,204,548.87/550,910.23
  6. Step 6: Final answer
    x = 400,172.65

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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.