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Finding the Fourth Proportional to 322,559.51, 445,141.80 and 177,357.78

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Solution

The fourth proportional to 322,559.51, 445,141.80 and 177,357.78 is: 244,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,559.51 : 445,141.80 = 177,357.78 : x
  2. Step 2: Convert to fraction form
    322,559.51/445,141.80 = 177,357.78/x
  3. Step 3: Cross multiply
    322,559.51x = 445,141.80 × 177,357.78
  4. Step 4: Simplify right side
    322,559.51x = 78,949,361,433.20
  5. Step 5: Solve for x
    x = 78,949,361,433.20/322,559.51
  6. Step 6: Final answer
    x = 244,759.06

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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.