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Finding the Fourth Proportional to 352,053.27, 485,829.27 and 190,906.41

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Solution

The fourth proportional to 352,053.27, 485,829.27 and 190,906.41 is: 263,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,053.27 : 485,829.27 = 190,906.41 : x
  2. Step 2: Convert to fraction form
    352,053.27/485,829.27 = 190,906.41/x
  3. Step 3: Cross multiply
    352,053.27x = 485,829.27 × 190,906.41
  4. Step 4: Simplify right side
    352,053.27x = 92,747,921,808.62
  5. Step 5: Solve for x
    x = 92,747,921,808.62/352,053.27
  6. Step 6: Final answer
    x = 263,448.55

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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.