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Finding the Fourth Proportional to 351,211.66, 484,672.95 and 190,067.88

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Solution

The fourth proportional to 351,211.66, 484,672.95 and 190,067.88 is: 262,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,211.66 : 484,672.95 = 190,067.88 : x
  2. Step 2: Convert to fraction form
    351,211.66/484,672.95 = 190,067.88/x
  3. Step 3: Cross multiply
    351,211.66x = 484,672.95 × 190,067.88
  4. Step 4: Simplify right side
    351,211.66x = 92,120,757,569.57
  5. Step 5: Solve for x
    x = 92,120,757,569.57/351,211.66
  6. Step 6: Final answer
    x = 262,294.13

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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.