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Finding the Fourth Proportional to 300,263.92, 449,998.44 and 159,719.92

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Solution

The fourth proportional to 300,263.92, 449,998.44 and 159,719.92 is: 239,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,263.92 : 449,998.44 = 159,719.92 : x
  2. Step 2: Convert to fraction form
    300,263.92/449,998.44 = 159,719.92/x
  3. Step 3: Cross multiply
    300,263.92x = 449,998.44 × 159,719.92
  4. Step 4: Simplify right side
    300,263.92x = 71,873,714,836.92
  5. Step 5: Solve for x
    x = 71,873,714,836.92/300,263.92
  6. Step 6: Final answer
    x = 239,368.47

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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.