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Finding the Fourth Proportional to 503,539.77, 694,893.74 and 274,103.65

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Solution

The fourth proportional to 503,539.77, 694,893.74 and 274,103.65 is: 378,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,539.77 : 694,893.74 = 274,103.65 : x
  2. Step 2: Convert to fraction form
    503,539.77/694,893.74 = 274,103.65/x
  3. Step 3: Cross multiply
    503,539.77x = 694,893.74 × 274,103.65
  4. Step 4: Simplify right side
    503,539.77x = 190,472,910,496.15
  5. Step 5: Solve for x
    x = 190,472,910,496.15/503,539.77
  6. Step 6: Final answer
    x = 378,267.86

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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.