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Finding the Fourth Proportional to 322,664.14, 483,680.29 and 180,578.80

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Solution

The fourth proportional to 322,664.14, 483,680.29 and 180,578.80 is: 270,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,664.14 : 483,680.29 = 180,578.80 : x
  2. Step 2: Convert to fraction form
    322,664.14/483,680.29 = 180,578.80/x
  3. Step 3: Cross multiply
    322,664.14x = 483,680.29 × 180,578.80
  4. Step 4: Simplify right side
    322,664.14x = 87,342,406,351.85
  5. Step 5: Solve for x
    x = 87,342,406,351.85/322,664.14
  6. Step 6: Final answer
    x = 270,691.40

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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.