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Finding the Fourth Proportional to 554,842.98, 832,067.46 and 199,761.66

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Solution

The fourth proportional to 554,842.98, 832,067.46 and 199,761.66 is: 299,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,842.98 : 832,067.46 = 199,761.66 : x
  2. Step 2: Convert to fraction form
    554,842.98/832,067.46 = 199,761.66/x
  3. Step 3: Cross multiply
    554,842.98x = 832,067.46 × 199,761.66
  4. Step 4: Simplify right side
    554,842.98x = 166,215,177,041.58
  5. Step 5: Solve for x
    x = 166,215,177,041.58/554,842.98
  6. Step 6: Final answer
    x = 299,571.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.