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Finding the Fourth Proportional to 573,739.27, 860,725.55 and 199,791.43

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Solution

The fourth proportional to 573,739.27, 860,725.55 and 199,791.43 is: 299,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,739.27 : 860,725.55 = 199,791.43 : x
  2. Step 2: Convert to fraction form
    573,739.27/860,725.55 = 199,791.43/x
  3. Step 3: Cross multiply
    573,739.27x = 860,725.55 × 199,791.43
  4. Step 4: Simplify right side
    573,739.27x = 171,965,588,472.04
  5. Step 5: Solve for x
    x = 171,965,588,472.04/573,739.27
  6. Step 6: Final answer
    x = 299,727.76

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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.