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Finding the Fourth Proportional to 327,394.52, 491,089.62 and 84,235.22

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Solution

The fourth proportional to 327,394.52, 491,089.62 and 84,235.22 is: 126,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,394.52 : 491,089.62 = 84,235.22 : x
  2. Step 2: Convert to fraction form
    327,394.52/491,089.62 = 84,235.22/x
  3. Step 3: Cross multiply
    327,394.52x = 491,089.62 × 84,235.22
  4. Step 4: Simplify right side
    327,394.52x = 41,367,042,180.42
  5. Step 5: Solve for x
    x = 41,367,042,180.42/327,394.52
  6. Step 6: Final answer
    x = 126,352.27

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1.5x scale

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.