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Finding the Fourth Proportional to 304,168,020.40, 455,916,107.40 and 167,951,162.80

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Solution

The fourth proportional to 304,168,020.40, 455,916,107.40 and 167,951,162.80 is: 251,741,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,168,020.40 : 455,916,107.40 = 167,951,162.80 : x
  2. Step 2: Convert to fraction form
    304,168,020.40/455,916,107.40 = 167,951,162.80/x
  3. Step 3: Cross multiply
    304,168,020.40x = 455,916,107.40 × 167,951,162.80
  4. Step 4: Simplify right side
    304,168,020.40x = 76,571,640,377,079,680
  5. Step 5: Solve for x
    x = 76,571,640,377,079,680/304,168,020.40
  6. Step 6: Final answer
    x = 251,741,258.91

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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.