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Finding the Fourth Proportional to 300,944.36, 451,379.64 and 174,653.31

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Solution

The fourth proportional to 300,944.36, 451,379.64 and 174,653.31 is: 261,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,944.36 : 451,379.64 = 174,653.31 : x
  2. Step 2: Convert to fraction form
    300,944.36/451,379.64 = 174,653.31/x
  3. Step 3: Cross multiply
    300,944.36x = 451,379.64 × 174,653.31
  4. Step 4: Simplify right side
    300,944.36x = 78,834,948,192.61
  5. Step 5: Solve for x
    x = 78,834,948,192.61/300,944.36
  6. Step 6: Final answer
    x = 261,958.55

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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.