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Finding the Fourth Proportional to 1,192,868.82, 1,789,244.91 and 444,856.50

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Solution

The fourth proportional to 1,192,868.82, 1,789,244.91 and 444,856.50 is: 667,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,868.82 : 1,789,244.91 = 444,856.50 : x
  2. Step 2: Convert to fraction form
    1,192,868.82/1,789,244.91 = 444,856.50/x
  3. Step 3: Cross multiply
    1,192,868.82x = 1,789,244.91 × 444,856.50
  4. Step 4: Simplify right side
    1,192,868.82x = 795,957,228,305.42
  5. Step 5: Solve for x
    x = 795,957,228,305.42/1,192,868.82
  6. Step 6: Final answer
    x = 667,263.00

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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.