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Finding the Fourth Proportional to 322,081.52, 483,007.32 and 132,486.48

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Solution

The fourth proportional to 322,081.52, 483,007.32 and 132,486.48 is: 198,682.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,081.52 : 483,007.32 = 132,486.48 : x
  2. Step 2: Convert to fraction form
    322,081.52/483,007.32 = 132,486.48/x
  3. Step 3: Cross multiply
    322,081.52x = 483,007.32 × 132,486.48
  4. Step 4: Simplify right side
    322,081.52x = 63,991,939,641.03
  5. Step 5: Solve for x
    x = 63,991,939,641.03/322,081.52
  6. Step 6: Final answer
    x = 198,682.43

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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.