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Finding the Fourth Proportional to 483,540.46, 667,115.33 and 276,657.75

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Solution

The fourth proportional to 483,540.46, 667,115.33 and 276,657.75 is: 381,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,540.46 : 667,115.33 = 276,657.75 : x
  2. Step 2: Convert to fraction form
    483,540.46/667,115.33 = 276,657.75/x
  3. Step 3: Cross multiply
    483,540.46x = 667,115.33 × 276,657.75
  4. Step 4: Simplify right side
    483,540.46x = 184,562,624,805.02
  5. Step 5: Solve for x
    x = 184,562,624,805.02/483,540.46
  6. Step 6: Final answer
    x = 381,690.14

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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.