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Finding the Fourth Proportional to 322,723.44, 445,348.26 and 177,528.51

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Solution

The fourth proportional to 322,723.44, 445,348.26 and 177,528.51 is: 244,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,723.44 : 445,348.26 = 177,528.51 : x
  2. Step 2: Convert to fraction form
    322,723.44/445,348.26 = 177,528.51/x
  3. Step 3: Cross multiply
    322,723.44x = 445,348.26 × 177,528.51
  4. Step 4: Simplify right side
    322,723.44x = 79,062,013,028.89
  5. Step 5: Solve for x
    x = 79,062,013,028.89/322,723.44
  6. Step 6: Final answer
    x = 244,983.79

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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.