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Finding the Fourth Proportional to 376,347.92, 519,357 and 206,571.92

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Solution

The fourth proportional to 376,347.92, 519,357 and 206,571.92 is: 285,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,347.92 : 519,357 = 206,571.92 : x
  2. Step 2: Convert to fraction form
    376,347.92/519,357 = 206,571.92/x
  3. Step 3: Cross multiply
    376,347.92x = 519,357 × 206,571.92
  4. Step 4: Simplify right side
    376,347.92x = 107,284,572,655.44
  5. Step 5: Solve for x
    x = 107,284,572,655.44/376,347.92
  6. Step 6: Final answer
    x = 285,067.53

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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.