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Finding the Fourth Proportional to 1,192,869.82, 1,789,246.41 and 444,857.50

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Solution

The fourth proportional to 1,192,869.82, 1,789,246.41 and 444,857.50 is: 667,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,869.82 : 1,789,246.41 = 444,857.50 : x
  2. Step 2: Convert to fraction form
    1,192,869.82/1,789,246.41 = 444,857.50/x
  3. Step 3: Cross multiply
    1,192,869.82x = 1,789,246.41 × 444,857.50
  4. Step 4: Simplify right side
    1,192,869.82x = 795,959,684,836.58
  5. Step 5: Solve for x
    x = 795,959,684,836.58/1,192,869.82
  6. Step 6: Final answer
    x = 667,264.50

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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.