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Finding the Fourth Proportional to 367,440.44, 550,946.13 and 142,538.07

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Solution

The fourth proportional to 367,440.44, 550,946.13 and 142,538.07 is: 213,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,440.44 : 550,946.13 = 142,538.07 : x
  2. Step 2: Convert to fraction form
    367,440.44/550,946.13 = 142,538.07/x
  3. Step 3: Cross multiply
    367,440.44x = 550,946.13 × 142,538.07
  4. Step 4: Simplify right side
    367,440.44x = 78,530,796,512.64
  5. Step 5: Solve for x
    x = 78,530,796,512.64/367,440.44
  6. Step 6: Final answer
    x = 213,723.88

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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.