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Finding the Fourth Proportional to 503,058.56, 694,206.33 and 276,704.06

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Solution

The fourth proportional to 503,058.56, 694,206.33 and 276,704.06 is: 381,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,058.56 : 694,206.33 = 276,704.06 : x
  2. Step 2: Convert to fraction form
    503,058.56/694,206.33 = 276,704.06/x
  3. Step 3: Cross multiply
    503,058.56x = 694,206.33 × 276,704.06
  4. Step 4: Simplify right side
    503,058.56x = 192,089,709,988.70
  5. Step 5: Solve for x
    x = 192,089,709,988.70/503,058.56
  6. Step 6: Final answer
    x = 381,843.64

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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.