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Finding the Fourth Proportional to 441,645.15, 662,478.53 and 161,162.31

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Solution

The fourth proportional to 441,645.15, 662,478.53 and 161,162.31 is: 241,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,645.15 : 662,478.53 = 161,162.31 : x
  2. Step 2: Convert to fraction form
    441,645.15/662,478.53 = 161,162.31/x
  3. Step 3: Cross multiply
    441,645.15x = 662,478.53 × 161,162.31
  4. Step 4: Simplify right side
    441,645.15x = 106,766,569,414.39
  5. Step 5: Solve for x
    x = 106,766,569,414.39/441,645.15
  6. Step 6: Final answer
    x = 241,747.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.