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Finding the Fourth Proportional to 342,696.88, 472,921.63 and 191,793.88

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Solution

The fourth proportional to 342,696.88, 472,921.63 and 191,793.88 is: 264,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,696.88 : 472,921.63 = 191,793.88 : x
  2. Step 2: Convert to fraction form
    342,696.88/472,921.63 = 191,793.88/x
  3. Step 3: Cross multiply
    342,696.88x = 472,921.63 × 191,793.88
  4. Step 4: Simplify right side
    342,696.88x = 90,703,474,353.62
  5. Step 5: Solve for x
    x = 90,703,474,353.62/342,696.88
  6. Step 6: Final answer
    x = 264,675.52

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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.