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Finding the Fourth Proportional to 381,083.33, 571,846.37 and 170,721.27

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Solution

The fourth proportional to 381,083.33, 571,846.37 and 170,721.27 is: 256,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,083.33 : 571,846.37 = 170,721.27 : x
  2. Step 2: Convert to fraction form
    381,083.33/571,846.37 = 170,721.27/x
  3. Step 3: Cross multiply
    381,083.33x = 571,846.37 × 170,721.27
  4. Step 4: Simplify right side
    381,083.33x = 97,626,338,531.29
  5. Step 5: Solve for x
    x = 97,626,338,531.29/381,083.33
  6. Step 6: Final answer
    x = 256,181.08

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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.