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Finding the Fourth Proportional to 300,634.54, 450,993.22 and 101,011.96

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Solution

The fourth proportional to 300,634.54, 450,993.22 and 101,011.96 is: 151,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,634.54 : 450,993.22 = 101,011.96 : x
  2. Step 2: Convert to fraction form
    300,634.54/450,993.22 = 101,011.96/x
  3. Step 3: Cross multiply
    300,634.54x = 450,993.22 × 101,011.96
  4. Step 4: Simplify right side
    300,634.54x = 45,555,709,410.12
  5. Step 5: Solve for x
    x = 45,555,709,410.12/300,634.54
  6. Step 6: Final answer
    x = 151,531.86

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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.