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Finding the Fourth Proportional to 322,995.56, 445,729.52 and 179,755.56

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Solution

The fourth proportional to 322,995.56, 445,729.52 and 179,755.56 is: 248,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,995.56 : 445,729.52 = 179,755.56 : x
  2. Step 2: Convert to fraction form
    322,995.56/445,729.52 = 179,755.56/x
  3. Step 3: Cross multiply
    322,995.56x = 445,729.52 × 179,755.56
  4. Step 4: Simplify right side
    322,995.56x = 80,122,358,577.35
  5. Step 5: Solve for x
    x = 80,122,358,577.35/322,995.56
  6. Step 6: Final answer
    x = 248,060.25

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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.