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Finding the Fourth Proportional to 376,672.47, 519,811.59 and 206,906.59

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Solution

The fourth proportional to 376,672.47, 519,811.59 and 206,906.59 is: 285,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,672.47 : 519,811.59 = 206,906.59 : x
  2. Step 2: Convert to fraction form
    376,672.47/519,811.59 = 206,906.59/x
  3. Step 3: Cross multiply
    376,672.47x = 519,811.59 × 206,906.59
  4. Step 4: Simplify right side
    376,672.47x = 107,552,443,529.38
  5. Step 5: Solve for x
    x = 107,552,443,529.38/376,672.47
  6. Step 6: Final answer
    x = 285,533.06

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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.