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Finding the Fourth Proportional to 322,473.94, 483,709.38 and 82,587.37

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Solution

The fourth proportional to 322,473.94, 483,709.38 and 82,587.37 is: 123,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,473.94 : 483,709.38 = 82,587.37 : x
  2. Step 2: Convert to fraction form
    322,473.94/483,709.38 = 82,587.37/x
  3. Step 3: Cross multiply
    322,473.94x = 483,709.38 × 82,587.37
  4. Step 4: Simplify right side
    322,473.94x = 39,948,285,538.53
  5. Step 5: Solve for x
    x = 39,948,285,538.53/322,473.94
  6. Step 6: Final answer
    x = 123,880.66

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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.