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Finding the Fourth Proportional to 376,572.92, 519,670.03 and 206,807.05

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Solution

The fourth proportional to 376,572.92, 519,670.03 and 206,807.05 is: 285,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,572.92 : 519,670.03 = 206,807.05 : x
  2. Step 2: Convert to fraction form
    376,572.92/519,670.03 = 206,807.05/x
  3. Step 3: Cross multiply
    376,572.92x = 519,670.03 × 206,807.05
  4. Step 4: Simplify right side
    376,572.92x = 107,471,424,936.47
  5. Step 5: Solve for x
    x = 107,471,424,936.47/376,572.92
  6. Step 6: Final answer
    x = 285,393.39

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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.