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Finding the Fourth Proportional to 304,790.92, 457,229.22 and 127,257.52

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Solution

The fourth proportional to 304,790.92, 457,229.22 and 127,257.52 is: 190,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,790.92 : 457,229.22 = 127,257.52 : x
  2. Step 2: Convert to fraction form
    304,790.92/457,229.22 = 127,257.52/x
  3. Step 3: Cross multiply
    304,790.92x = 457,229.22 × 127,257.52
  4. Step 4: Simplify right side
    304,790.92x = 58,185,856,608.73
  5. Step 5: Solve for x
    x = 58,185,856,608.73/304,790.92
  6. Step 6: Final answer
    x = 190,904.17

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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.