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Finding the Fourth Proportional to 503,352.36, 694,626.40 and 276,997.86

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Solution

The fourth proportional to 503,352.36, 694,626.40 and 276,997.86 is: 382,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,352.36 : 694,626.40 = 276,997.86 : x
  2. Step 2: Convert to fraction form
    503,352.36/694,626.40 = 276,997.86/x
  3. Step 3: Cross multiply
    503,352.36x = 694,626.40 × 276,997.86
  4. Step 4: Simplify right side
    503,352.36x = 192,410,026,299.50
  5. Step 5: Solve for x
    x = 192,410,026,299.50/503,352.36
  6. Step 6: Final answer
    x = 382,257.13

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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.