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Finding the Fourth Proportional to 322,236.62, 483,223.26 and 139,879.10

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Solution

The fourth proportional to 322,236.62, 483,223.26 and 139,879.10 is: 209,761.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,236.62 : 483,223.26 = 139,879.10 : x
  2. Step 2: Convert to fraction form
    322,236.62/483,223.26 = 139,879.10/x
  3. Step 3: Cross multiply
    322,236.62x = 483,223.26 × 139,879.10
  4. Step 4: Simplify right side
    322,236.62x = 67,592,834,707.87
  5. Step 5: Solve for x
    x = 67,592,834,707.87/322,236.62
  6. Step 6: Final answer
    x = 209,761.49

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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.