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Finding the Fourth Proportional to 503,375.31, 694,657.73 and 277,020.81

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Solution

The fourth proportional to 503,375.31, 694,657.73 and 277,020.81 is: 382,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,375.31 : 694,657.73 = 277,020.81 : x
  2. Step 2: Convert to fraction form
    503,375.31/694,657.73 = 277,020.81/x
  3. Step 3: Cross multiply
    503,375.31x = 694,657.73 × 277,020.81
  4. Step 4: Simplify right side
    503,375.31x = 192,434,645,652.26
  5. Step 5: Solve for x
    x = 192,434,645,652.26/503,375.31
  6. Step 6: Final answer
    x = 382,288.61

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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.