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Finding the Fourth Proportional to 351,511.44, 485,086.41 and 190,366.02

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Solution

The fourth proportional to 351,511.44, 485,086.41 and 190,366.02 is: 262,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,511.44 : 485,086.41 = 190,366.02 : x
  2. Step 2: Convert to fraction form
    351,511.44/485,086.41 = 190,366.02/x
  3. Step 3: Cross multiply
    351,511.44x = 485,086.41 × 190,366.02
  4. Step 4: Simplify right side
    351,511.44x = 92,343,969,227.79
  5. Step 5: Solve for x
    x = 92,343,969,227.79/351,511.44
  6. Step 6: Final answer
    x = 262,705.44

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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.