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Finding the Fourth Proportional to 567,018.07, 850,231.80 and 267,418.21

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Solution

The fourth proportional to 567,018.07, 850,231.80 and 267,418.21 is: 400,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,018.07 : 850,231.80 = 267,418.21 : x
  2. Step 2: Convert to fraction form
    567,018.07/850,231.80 = 267,418.21/x
  3. Step 3: Cross multiply
    567,018.07x = 850,231.80 × 267,418.21
  4. Step 4: Simplify right side
    567,018.07x = 227,367,464,757.57
  5. Step 5: Solve for x
    x = 227,367,464,757.57/567,018.07
  6. Step 6: Final answer
    x = 400,988.04

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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.