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Finding the Fourth Proportional to 397,067.66, 548,081.07 and 254,212.46

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Solution

The fourth proportional to 397,067.66, 548,081.07 and 254,212.46 is: 350,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,067.66 : 548,081.07 = 254,212.46 : x
  2. Step 2: Convert to fraction form
    397,067.66/548,081.07 = 254,212.46/x
  3. Step 3: Cross multiply
    397,067.66x = 548,081.07 × 254,212.46
  4. Step 4: Simplify right side
    397,067.66x = 139,329,037,084.13
  5. Step 5: Solve for x
    x = 139,329,037,084.13/397,067.66
  6. Step 6: Final answer
    x = 350,894.95

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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.