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Finding the Fourth Proportional to 263,963.44, 364,272.11 and 143,104.42

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Solution

The fourth proportional to 263,963.44, 364,272.11 and 143,104.42 is: 197,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,963.44 : 364,272.11 = 143,104.42 : x
  2. Step 2: Convert to fraction form
    263,963.44/364,272.11 = 143,104.42/x
  3. Step 3: Cross multiply
    263,963.44x = 364,272.11 × 143,104.42
  4. Step 4: Simplify right side
    263,963.44x = 52,128,949,023.73
  5. Step 5: Solve for x
    x = 52,128,949,023.73/263,963.44
  6. Step 6: Final answer
    x = 197,485.49

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1.5x scale

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.