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Finding the Fourth Proportional to 322,609.18, 483,861.90 and 100,993.18

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Solution

The fourth proportional to 322,609.18, 483,861.90 and 100,993.18 is: 151,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,609.18 : 483,861.90 = 100,993.18 : x
  2. Step 2: Convert to fraction form
    322,609.18/483,861.90 = 100,993.18/x
  3. Step 3: Cross multiply
    322,609.18x = 483,861.90 × 100,993.18
  4. Step 4: Simplify right side
    322,609.18x = 48,866,751,961.84
  5. Step 5: Solve for x
    x = 48,866,751,961.84/322,609.18
  6. Step 6: Final answer
    x = 151,473.53

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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.