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Finding the Fourth Proportional to 322,472.94, 483,707.88 and 82,586.37

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Solution

The fourth proportional to 322,472.94, 483,707.88 and 82,586.37 is: 123,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,472.94 : 483,707.88 = 82,586.37 : x
  2. Step 2: Convert to fraction form
    322,472.94/483,707.88 = 82,586.37/x
  3. Step 3: Cross multiply
    322,472.94x = 483,707.88 × 82,586.37
  4. Step 4: Simplify right side
    322,472.94x = 39,947,677,949.60
  5. Step 5: Solve for x
    x = 39,947,677,949.60/322,472.94
  6. Step 6: Final answer
    x = 123,879.16

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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.