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Finding the Fourth Proportional to 322,234.62, 483,220.26 and 139,877.10

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Solution

The fourth proportional to 322,234.62, 483,220.26 and 139,877.10 is: 209,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,234.62 : 483,220.26 = 139,877.10 : x
  2. Step 2: Convert to fraction form
    322,234.62/483,220.26 = 139,877.10/x
  3. Step 3: Cross multiply
    322,234.62x = 483,220.26 × 139,877.10
  4. Step 4: Simplify right side
    322,234.62x = 67,591,448,630.05
  5. Step 5: Solve for x
    x = 67,591,448,630.05/322,234.62
  6. Step 6: Final answer
    x = 209,758.49

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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.