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Finding the Fourth Proportional to 548,906.94, 757,956.57 and 345,023.52

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Solution

The fourth proportional to 548,906.94, 757,956.57 and 345,023.52 is: 476,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,906.94 : 757,956.57 = 345,023.52 : x
  2. Step 2: Convert to fraction form
    548,906.94/757,956.57 = 345,023.52/x
  3. Step 3: Cross multiply
    548,906.94x = 757,956.57 × 345,023.52
  4. Step 4: Simplify right side
    548,906.94x = 261,512,843,788.53
  5. Step 5: Solve for x
    x = 261,512,843,788.53/548,906.94
  6. Step 6: Final answer
    x = 476,424.74

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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.