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Finding the Fourth Proportional to 379,362.73, 568,553.52 and 283,843.48

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Solution

The fourth proportional to 379,362.73, 568,553.52 and 283,843.48 is: 425,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,362.73 : 568,553.52 = 283,843.48 : x
  2. Step 2: Convert to fraction form
    379,362.73/568,553.52 = 283,843.48/x
  3. Step 3: Cross multiply
    379,362.73x = 568,553.52 × 283,843.48
  4. Step 4: Simplify right side
    379,362.73x = 161,380,209,683.05
  5. Step 5: Solve for x
    x = 161,380,209,683.05/379,362.73
  6. Step 6: Final answer
    x = 425,398.17

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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.