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Finding the Fourth Proportional to 270,246.36, 372,925.44 and 149,380.44

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Solution

The fourth proportional to 270,246.36, 372,925.44 and 149,380.44 is: 206,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,246.36 : 372,925.44 = 149,380.44 : x
  2. Step 2: Convert to fraction form
    270,246.36/372,925.44 = 149,380.44/x
  3. Step 3: Cross multiply
    270,246.36x = 372,925.44 × 149,380.44
  4. Step 4: Simplify right side
    270,246.36x = 55,707,766,314.39
  5. Step 5: Solve for x
    x = 55,707,766,314.39/270,246.36
  6. Step 6: Final answer
    x = 206,136.97

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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.