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Finding the Fourth Proportional to 446,107.74, 667,761.93 and 235,105.98

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Solution

The fourth proportional to 446,107.74, 667,761.93 and 235,105.98 is: 351,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,107.74 : 667,761.93 = 235,105.98 : x
  2. Step 2: Convert to fraction form
    446,107.74/667,761.93 = 235,105.98/x
  3. Step 3: Cross multiply
    446,107.74x = 667,761.93 × 235,105.98
  4. Step 4: Simplify right side
    446,107.74x = 156,994,822,959.34
  5. Step 5: Solve for x
    x = 156,994,822,959.34/446,107.74
  6. Step 6: Final answer
    x = 351,921.32

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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.