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Finding the Fourth Proportional to 326,612.62, 450,732.56 and 179,439.38

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Solution

The fourth proportional to 326,612.62, 450,732.56 and 179,439.38 is: 247,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,612.62 : 450,732.56 = 179,439.38 : x
  2. Step 2: Convert to fraction form
    326,612.62/450,732.56 = 179,439.38/x
  3. Step 3: Cross multiply
    326,612.62x = 450,732.56 × 179,439.38
  4. Step 4: Simplify right side
    326,612.62x = 80,879,171,169.62
  5. Step 5: Solve for x
    x = 80,879,171,169.62/326,612.62
  6. Step 6: Final answer
    x = 247,630.27

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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.