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Finding the Fourth Proportional to 376,470.08, 519,529.28 and 206,715.04

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Solution

The fourth proportional to 376,470.08, 519,529.28 and 206,715.04 is: 285,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,470.08 : 519,529.28 = 206,715.04 : x
  2. Step 2: Convert to fraction form
    376,470.08/519,529.28 = 206,715.04/x
  3. Step 3: Cross multiply
    376,470.08x = 519,529.28 × 206,715.04
  4. Step 4: Simplify right side
    376,470.08x = 107,394,515,896.37
  5. Step 5: Solve for x
    x = 107,394,515,896.37/376,470.08
  6. Step 6: Final answer
    x = 285,267.07

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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.