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Finding the Fourth Proportional to 322,314.62, 483,399.02 and 122,563.76

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Solution

The fourth proportional to 322,314.62, 483,399.02 and 122,563.76 is: 183,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,314.62 : 483,399.02 = 122,563.76 : x
  2. Step 2: Convert to fraction form
    322,314.62/483,399.02 = 122,563.76/x
  3. Step 3: Cross multiply
    322,314.62x = 483,399.02 × 122,563.76
  4. Step 4: Simplify right side
    322,314.62x = 59,247,201,471.52
  5. Step 5: Solve for x
    x = 59,247,201,471.52/322,314.62
  6. Step 6: Final answer
    x = 183,817.92

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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.