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Finding the Fourth Proportional to 342,696.38, 472,920.95 and 191,793.38

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Solution

The fourth proportional to 342,696.38, 472,920.95 and 191,793.38 is: 264,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,696.38 : 472,920.95 = 191,793.38 : x
  2. Step 2: Convert to fraction form
    342,696.38/472,920.95 = 191,793.38/x
  3. Step 3: Cross multiply
    342,696.38x = 472,920.95 × 191,793.38
  4. Step 4: Simplify right side
    342,696.38x = 90,703,106,514.34
  5. Step 5: Solve for x
    x = 90,703,106,514.34/342,696.38
  6. Step 6: Final answer
    x = 264,674.83

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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.