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Finding the Fourth Proportional to 322,309.20, 483,463.80 and 248,581.20

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Solution

The fourth proportional to 322,309.20, 483,463.80 and 248,581.20 is: 372,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,309.20 : 483,463.80 = 248,581.20 : x
  2. Step 2: Convert to fraction form
    322,309.20/483,463.80 = 248,581.20/x
  3. Step 3: Cross multiply
    322,309.20x = 483,463.80 × 248,581.20
  4. Step 4: Simplify right side
    322,309.20x = 120,180,011,560.56
  5. Step 5: Solve for x
    x = 120,180,011,560.56/322,309.20
  6. Step 6: Final answer
    x = 372,871.80

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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.