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Finding the Fourth Proportional to 351,198.49, 484,653.92 and 190,053.53

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Solution

The fourth proportional to 351,198.49, 484,653.92 and 190,053.53 is: 262,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,198.49 : 484,653.92 = 190,053.53 : x
  2. Step 2: Convert to fraction form
    351,198.49/484,653.92 = 190,053.53/x
  3. Step 3: Cross multiply
    351,198.49x = 484,653.92 × 190,053.53
  4. Step 4: Simplify right side
    351,198.49x = 92,110,188,324.34
  5. Step 5: Solve for x
    x = 92,110,188,324.34/351,198.49
  6. Step 6: Final answer
    x = 262,273.87

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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.