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Finding the Fourth Proportional to 275,536.74, 412,910.43 and 156,963.24

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Solution

The fourth proportional to 275,536.74, 412,910.43 and 156,963.24 is: 235,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,536.74 : 412,910.43 = 156,963.24 : x
  2. Step 2: Convert to fraction form
    275,536.74/412,910.43 = 156,963.24/x
  3. Step 3: Cross multiply
    275,536.74x = 412,910.43 × 156,963.24
  4. Step 4: Simplify right side
    275,536.74x = 64,811,758,922.59
  5. Step 5: Solve for x
    x = 64,811,758,922.59/275,536.74
  6. Step 6: Final answer
    x = 235,220.03

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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.