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Finding the Fourth Proportional to 322,606.67, 483,858.17 and 100,990.67

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Solution

The fourth proportional to 322,606.67, 483,858.17 and 100,990.67 is: 151,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,606.67 : 483,858.17 = 100,990.67 : x
  2. Step 2: Convert to fraction form
    322,606.67/483,858.17 = 100,990.67/x
  3. Step 3: Cross multiply
    322,606.67x = 483,858.17 × 100,990.67
  4. Step 4: Simplify right side
    322,606.67x = 48,865,160,268.32
  5. Step 5: Solve for x
    x = 48,865,160,268.32/322,606.67
  6. Step 6: Final answer
    x = 151,469.78

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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.