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Finding the Fourth Proportional to 217,286.67, 325,863.29 and 150,249.43

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Solution

The fourth proportional to 217,286.67, 325,863.29 and 150,249.43 is: 225,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,286.67 : 325,863.29 = 150,249.43 : x
  2. Step 2: Convert to fraction form
    217,286.67/325,863.29 = 150,249.43/x
  3. Step 3: Cross multiply
    217,286.67x = 325,863.29 × 150,249.43
  4. Step 4: Simplify right side
    217,286.67x = 48,960,773,518.22
  5. Step 5: Solve for x
    x = 48,960,773,518.22/217,286.67
  6. Step 6: Final answer
    x = 225,328.01

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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.