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Finding the Fourth Proportional to 503,170.31, 694,379.54 and 273,732.61

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Solution

The fourth proportional to 503,170.31, 694,379.54 and 273,732.61 is: 377,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,170.31 : 694,379.54 = 273,732.61 : x
  2. Step 2: Convert to fraction form
    503,170.31/694,379.54 = 273,732.61/x
  3. Step 3: Cross multiply
    503,170.31x = 694,379.54 × 273,732.61
  4. Step 4: Simplify right side
    503,170.31x = 190,074,323,814.80
  5. Step 5: Solve for x
    x = 190,074,323,814.80/503,170.31
  6. Step 6: Final answer
    x = 377,753.46

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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.