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Finding the Fourth Proportional to 330,571.56, 456,185.34 and 179,667.48

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Solution

The fourth proportional to 330,571.56, 456,185.34 and 179,667.48 is: 247,939.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,571.56 : 456,185.34 = 179,667.48 : x
  2. Step 2: Convert to fraction form
    330,571.56/456,185.34 = 179,667.48/x
  3. Step 3: Cross multiply
    330,571.56x = 456,185.34 × 179,667.48
  4. Step 4: Simplify right side
    330,571.56x = 81,961,670,450.74
  5. Step 5: Solve for x
    x = 81,961,670,450.74/330,571.56
  6. Step 6: Final answer
    x = 247,939.27

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1.5x scale

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.