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Finding the Fourth Proportional to 300,640.26, 414,883.46 and 164,682.68

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Solution

The fourth proportional to 300,640.26, 414,883.46 and 164,682.68 is: 227,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,640.26 : 414,883.46 = 164,682.68 : x
  2. Step 2: Convert to fraction form
    300,640.26/414,883.46 = 164,682.68/x
  3. Step 3: Cross multiply
    300,640.26x = 414,883.46 × 164,682.68
  4. Step 4: Simplify right side
    300,640.26x = 68,324,117,182.64
  5. Step 5: Solve for x
    x = 68,324,117,182.64/300,640.26
  6. Step 6: Final answer
    x = 227,262.03

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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.