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Finding the Fourth Proportional to 468,469.50, 646,487.91 and 267,261.18

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Solution

The fourth proportional to 468,469.50, 646,487.91 and 267,261.18 is: 368,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,469.50 : 646,487.91 = 267,261.18 : x
  2. Step 2: Convert to fraction form
    468,469.50/646,487.91 = 267,261.18/x
  3. Step 3: Cross multiply
    468,469.50x = 646,487.91 × 267,261.18
  4. Step 4: Simplify right side
    468,469.50x = 172,781,121,682.33
  5. Step 5: Solve for x
    x = 172,781,121,682.33/468,469.50
  6. Step 6: Final answer
    x = 368,820.43

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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.