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Finding the Fourth Proportional to 321,896.55, 444,114.50 and 185,912.54

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Solution

The fourth proportional to 321,896.55, 444,114.50 and 185,912.54 is: 256,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,896.55 : 444,114.50 = 185,912.54 : x
  2. Step 2: Convert to fraction form
    321,896.55/444,114.50 = 185,912.54/x
  3. Step 3: Cross multiply
    321,896.55x = 444,114.50 × 185,912.54
  4. Step 4: Simplify right side
    321,896.55x = 82,566,451,595.69
  5. Step 5: Solve for x
    x = 82,566,451,595.69/321,896.55
  6. Step 6: Final answer
    x = 256,499.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.