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Finding the Fourth Proportional to 503,343.88, 694,619.46 and 276,994.60

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Solution

The fourth proportional to 503,343.88, 694,619.46 and 276,994.60 is: 382,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,343.88 : 694,619.46 = 276,994.60 : x
  2. Step 2: Convert to fraction form
    503,343.88/694,619.46 = 276,994.60/x
  3. Step 3: Cross multiply
    503,343.88x = 694,619.46 × 276,994.60
  4. Step 4: Simplify right side
    503,343.88x = 192,405,839,474.92
  5. Step 5: Solve for x
    x = 192,405,839,474.92/503,343.88
  6. Step 6: Final answer
    x = 382,255.25

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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.