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Finding the Fourth Proportional to 646,371.92, 969,376.44 and 246,737.36

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Solution

The fourth proportional to 646,371.92, 969,376.44 and 246,737.36 is: 370,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,371.92 : 969,376.44 = 246,737.36 : x
  2. Step 2: Convert to fraction form
    646,371.92/969,376.44 = 246,737.36/x
  3. Step 3: Cross multiply
    646,371.92x = 969,376.44 × 246,737.36
  4. Step 4: Simplify right side
    646,371.92x = 239,181,383,651.80
  5. Step 5: Solve for x
    x = 239,181,383,651.80/646,371.92
  6. Step 6: Final answer
    x = 370,036.78

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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.