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Finding the Fourth Proportional to 373,198.28, 559,906.52 and 120,472.88

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Solution

The fourth proportional to 373,198.28, 559,906.52 and 120,472.88 is: 180,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,198.28 : 559,906.52 = 120,472.88 : x
  2. Step 2: Convert to fraction form
    373,198.28/559,906.52 = 120,472.88/x
  3. Step 3: Cross multiply
    373,198.28x = 559,906.52 × 120,472.88
  4. Step 4: Simplify right side
    373,198.28x = 67,453,550,995.18
  5. Step 5: Solve for x
    x = 67,453,550,995.18/373,198.28
  6. Step 6: Final answer
    x = 180,744.54

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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.