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Finding the Fourth Proportional to 503,200.50, 694,384.83 and 273,755.58

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Solution

The fourth proportional to 503,200.50, 694,384.83 and 273,755.58 is: 377,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,200.50 : 694,384.83 = 273,755.58 : x
  2. Step 2: Convert to fraction form
    503,200.50/694,384.83 = 273,755.58/x
  3. Step 3: Cross multiply
    503,200.50x = 694,384.83 × 273,755.58
  4. Step 4: Simplify right side
    503,200.50x = 190,091,721,879.85
  5. Step 5: Solve for x
    x = 190,091,721,879.85/503,200.50
  6. Step 6: Final answer
    x = 377,765.37

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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.