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Finding the Fourth Proportional to 322,752.68, 483,802 and 162,343.92

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Solution

The fourth proportional to 322,752.68, 483,802 and 162,343.92 is: 243,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,752.68 : 483,802 = 162,343.92 : x
  2. Step 2: Convert to fraction form
    322,752.68/483,802 = 162,343.92/x
  3. Step 3: Cross multiply
    322,752.68x = 483,802 × 162,343.92
  4. Step 4: Simplify right side
    322,752.68x = 78,542,313,183.84
  5. Step 5: Solve for x
    x = 78,542,313,183.84/322,752.68
  6. Step 6: Final answer
    x = 243,351.39

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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.