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Finding the Fourth Proportional to 330,951.69, 456,715.32 and 180,049.77

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Solution

The fourth proportional to 330,951.69, 456,715.32 and 180,049.77 is: 248,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,951.69 : 456,715.32 = 180,049.77 : x
  2. Step 2: Convert to fraction form
    330,951.69/456,715.32 = 180,049.77/x
  3. Step 3: Cross multiply
    330,951.69x = 456,715.32 × 180,049.77
  4. Step 4: Simplify right side
    330,951.69x = 82,231,485,137.65
  5. Step 5: Solve for x
    x = 82,231,485,137.65/330,951.69
  6. Step 6: Final answer
    x = 248,469.76

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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.