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Finding the Fourth Proportional to 502,776.31, 693,845.00 and 273,349.03

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Solution

The fourth proportional to 502,776.31, 693,845.00 and 273,349.03 is: 377,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,776.31 : 693,845.00 = 273,349.03 : x
  2. Step 2: Convert to fraction form
    502,776.31/693,845.00 = 273,349.03/x
  3. Step 3: Cross multiply
    502,776.31x = 693,845.00 × 273,349.03
  4. Step 4: Simplify right side
    502,776.31x = 189,661,856,176.22
  5. Step 5: Solve for x
    x = 189,661,856,176.22/502,776.31
  6. Step 6: Final answer
    x = 377,229.11

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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.