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Finding the Fourth Proportional to 493,963.22, 681,669.94 and 267,608.72

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Solution

The fourth proportional to 493,963.22, 681,669.94 and 267,608.72 is: 369,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,963.22 : 681,669.94 = 267,608.72 : x
  2. Step 2: Convert to fraction form
    493,963.22/681,669.94 = 267,608.72/x
  3. Step 3: Cross multiply
    493,963.22x = 681,669.94 × 267,608.72
  4. Step 4: Simplify right side
    493,963.22x = 182,420,820,105.88
  5. Step 5: Solve for x
    x = 182,420,820,105.88/493,963.22
  6. Step 6: Final answer
    x = 369,300.41

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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.