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Finding the Fourth Proportional to 471,843.20, 651,120.37 and 267,867.35

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Solution

The fourth proportional to 471,843.20, 651,120.37 and 267,867.35 is: 369,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,843.20 : 651,120.37 = 267,867.35 : x
  2. Step 2: Convert to fraction form
    471,843.20/651,120.37 = 267,867.35/x
  3. Step 3: Cross multiply
    471,843.20x = 651,120.37 × 267,867.35
  4. Step 4: Simplify right side
    471,843.20x = 174,413,891,728.66
  5. Step 5: Solve for x
    x = 174,413,891,728.66/471,843.20
  6. Step 6: Final answer
    x = 369,643.75

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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.