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Finding the Fourth Proportional to 483,163.20, 724,744.02 and 123,334.02

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Solution

The fourth proportional to 483,163.20, 724,744.02 and 123,334.02 is: 185,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,163.20 : 724,744.02 = 123,334.02 : x
  2. Step 2: Convert to fraction form
    483,163.20/724,744.02 = 123,334.02/x
  3. Step 3: Cross multiply
    483,163.20x = 724,744.02 × 123,334.02
  4. Step 4: Simplify right side
    483,163.20x = 89,385,593,457.56
  5. Step 5: Solve for x
    x = 89,385,593,457.56/483,163.20
  6. Step 6: Final answer
    x = 185,000.83

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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.