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Finding the Fourth Proportional to 501,147.93, 691,581.97 and 271,704.51

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Solution

The fourth proportional to 501,147.93, 691,581.97 and 271,704.51 is: 374,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,147.93 : 691,581.97 = 271,704.51 : x
  2. Step 2: Convert to fraction form
    501,147.93/691,581.97 = 271,704.51/x
  3. Step 3: Cross multiply
    501,147.93x = 691,581.97 × 271,704.51
  4. Step 4: Simplify right side
    501,147.93x = 187,905,940,283.69
  5. Step 5: Solve for x
    x = 187,905,940,283.69/501,147.93
  6. Step 6: Final answer
    x = 374,951.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.