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Finding the Fourth Proportional to 411,610.44, 617,415.66 and 271,336.26

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Solution

The fourth proportional to 411,610.44, 617,415.66 and 271,336.26 is: 407,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,610.44 : 617,415.66 = 271,336.26 : x
  2. Step 2: Convert to fraction form
    411,610.44/617,415.66 = 271,336.26/x
  3. Step 3: Cross multiply
    411,610.44x = 617,415.66 × 271,336.26
  4. Step 4: Simplify right side
    411,610.44x = 167,527,256,049.83
  5. Step 5: Solve for x
    x = 167,527,256,049.83/411,610.44
  6. Step 6: Final answer
    x = 407,004.39

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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.