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Finding the Fourth Proportional to 342,696.26, 472,920.77 and 191,793.26

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Solution

The fourth proportional to 342,696.26, 472,920.77 and 191,793.26 is: 264,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,696.26 : 472,920.77 = 191,793.26 : x
  2. Step 2: Convert to fraction form
    342,696.26/472,920.77 = 191,793.26/x
  3. Step 3: Cross multiply
    342,696.26x = 472,920.77 × 191,793.26
  4. Step 4: Simplify right side
    342,696.26x = 90,703,012,876.44
  5. Step 5: Solve for x
    x = 90,703,012,876.44/342,696.26
  6. Step 6: Final answer
    x = 264,674.65

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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.