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Finding the Fourth Proportional to 502,998.44, 694,142.51 and 273,557.90

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Solution

The fourth proportional to 502,998.44, 694,142.51 and 273,557.90 is: 377,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,998.44 : 694,142.51 = 273,557.90 : x
  2. Step 2: Convert to fraction form
    502,998.44/694,142.51 = 273,557.90/x
  3. Step 3: Cross multiply
    502,998.44x = 694,142.51 × 273,557.90
  4. Step 4: Simplify right side
    502,998.44x = 189,888,162,497.83
  5. Step 5: Solve for x
    x = 189,888,162,497.83/502,998.44
  6. Step 6: Final answer
    x = 377,512.43

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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.