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Finding the Fourth Proportional to 381,010.44, 571,858.29 and 203,669.04

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Solution

The fourth proportional to 381,010.44, 571,858.29 and 203,669.04 is: 305,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,010.44 : 571,858.29 = 203,669.04 : x
  2. Step 2: Convert to fraction form
    381,010.44/571,858.29 = 203,669.04/x
  3. Step 3: Cross multiply
    381,010.44x = 571,858.29 × 203,669.04
  4. Step 4: Simplify right side
    381,010.44x = 116,469,829,762.87
  5. Step 5: Solve for x
    x = 116,469,829,762.87/381,010.44
  6. Step 6: Final answer
    x = 305,686.71

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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.