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Finding the Fourth Proportional to 300,772.37, 415,050.06 and 171,705.75

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Solution

The fourth proportional to 300,772.37, 415,050.06 and 171,705.75 is: 236,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,772.37 : 415,050.06 = 171,705.75 : x
  2. Step 2: Convert to fraction form
    300,772.37/415,050.06 = 171,705.75/x
  3. Step 3: Cross multiply
    300,772.37x = 415,050.06 × 171,705.75
  4. Step 4: Simplify right side
    300,772.37x = 71,266,481,839.85
  5. Step 5: Solve for x
    x = 71,266,481,839.85/300,772.37
  6. Step 6: Final answer
    x = 236,944.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.