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Finding the Fourth Proportional to 503,518.86, 694,873.08 and 274,084.52

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Solution

The fourth proportional to 503,518.86, 694,873.08 and 274,084.52 is: 378,245.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,518.86 : 694,873.08 = 274,084.52 : x
  2. Step 2: Convert to fraction form
    503,518.86/694,873.08 = 274,084.52/x
  3. Step 3: Cross multiply
    503,518.86x = 694,873.08 × 274,084.52
  4. Step 4: Simplify right side
    503,518.86x = 190,453,951,118.36
  5. Step 5: Solve for x
    x = 190,453,951,118.36/503,518.86
  6. Step 6: Final answer
    x = 378,245.91

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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.