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Finding the Fourth Proportional to 835,765.11, 1,253,649.05 and 267,192.05

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Solution

The fourth proportional to 835,765.11, 1,253,649.05 and 267,192.05 is: 400,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,765.11 : 1,253,649.05 = 267,192.05 : x
  2. Step 2: Convert to fraction form
    835,765.11/1,253,649.05 = 267,192.05/x
  3. Step 3: Cross multiply
    835,765.11x = 1,253,649.05 × 267,192.05
  4. Step 4: Simplify right side
    835,765.11x = 334,965,052,045.85
  5. Step 5: Solve for x
    x = 334,965,052,045.85/835,765.11
  6. Step 6: Final answer
    x = 400,788.51

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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.