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Finding the Fourth Proportional to 502,999.44, 694,143.89 and 273,558.90

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Solution

The fourth proportional to 502,999.44, 694,143.89 and 273,558.90 is: 377,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,999.44 : 694,143.89 = 273,558.90 : x
  2. Step 2: Convert to fraction form
    502,999.44/694,143.89 = 273,558.90/x
  3. Step 3: Cross multiply
    502,999.44x = 694,143.89 × 273,558.90
  4. Step 4: Simplify right side
    502,999.44x = 189,889,234,151.61
  5. Step 5: Solve for x
    x = 189,889,234,151.61/502,999.44
  6. Step 6: Final answer
    x = 377,513.81

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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.