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Finding the Fourth Proportional to 504,336.12, 756,616.50 and 220,072.56

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Solution

The fourth proportional to 504,336.12, 756,616.50 and 220,072.56 is: 330,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,336.12 : 756,616.50 = 220,072.56 : x
  2. Step 2: Convert to fraction form
    504,336.12/756,616.50 = 220,072.56/x
  3. Step 3: Cross multiply
    504,336.12x = 756,616.50 × 220,072.56
  4. Step 4: Simplify right side
    504,336.12x = 166,510,530,093.24
  5. Step 5: Solve for x
    x = 166,510,530,093.24/504,336.12
  6. Step 6: Final answer
    x = 330,157.85

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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.