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Finding the Fourth Proportional to 342,600.07, 472,679.41 and 199,332.43

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Solution

The fourth proportional to 342,600.07, 472,679.41 and 199,332.43 is: 275,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,600.07 : 472,679.41 = 199,332.43 : x
  2. Step 2: Convert to fraction form
    342,600.07/472,679.41 = 199,332.43/x
  3. Step 3: Cross multiply
    342,600.07x = 472,679.41 × 199,332.43
  4. Step 4: Simplify right side
    342,600.07x = 94,220,336,198.18
  5. Step 5: Solve for x
    x = 94,220,336,198.18/342,600.07
  6. Step 6: Final answer
    x = 275,015.52

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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.