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Finding the Fourth Proportional to 550,805.67, 826,247.79 and 230,635.35

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Solution

The fourth proportional to 550,805.67, 826,247.79 and 230,635.35 is: 345,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,805.67 : 826,247.79 = 230,635.35 : x
  2. Step 2: Convert to fraction form
    550,805.67/826,247.79 = 230,635.35/x
  3. Step 3: Cross multiply
    550,805.67x = 826,247.79 × 230,635.35
  4. Step 4: Simplify right side
    550,805.67x = 190,561,948,233.38
  5. Step 5: Solve for x
    x = 190,561,948,233.38/550,805.67
  6. Step 6: Final answer
    x = 345,969.47

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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.