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Finding the Fourth Proportional to 503,342.88, 694,618.08 and 276,993.60

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Solution

The fourth proportional to 503,342.88, 694,618.08 and 276,993.60 is: 382,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,342.88 : 694,618.08 = 276,993.60 : x
  2. Step 2: Convert to fraction form
    503,342.88/694,618.08 = 276,993.60/x
  3. Step 3: Cross multiply
    503,342.88x = 694,618.08 × 276,993.60
  4. Step 4: Simplify right side
    503,342.88x = 192,404,762,604.29
  5. Step 5: Solve for x
    x = 192,404,762,604.29/503,342.88
  6. Step 6: Final answer
    x = 382,253.87

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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.