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Finding the Fourth Proportional to 326,180, 450,147 and 182,928.66

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Solution

The fourth proportional to 326,180, 450,147 and 182,928.66 is: 252,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,180 : 450,147 = 182,928.66 : x
  2. Step 2: Convert to fraction form
    326,180/450,147 = 182,928.66/x
  3. Step 3: Cross multiply
    326,180x = 450,147 × 182,928.66
  4. Step 4: Simplify right side
    326,180x = 82,344,787,513.02
  5. Step 5: Solve for x
    x = 82,344,787,513.02/326,180
  6. Step 6: Final answer
    x = 252,451.98

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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.