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Finding the Fourth Proportional to 226,786.68, 340,256.88 and 100,409.49

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Solution

The fourth proportional to 226,786.68, 340,256.88 and 100,409.49 is: 150,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,786.68 : 340,256.88 = 100,409.49 : x
  2. Step 2: Convert to fraction form
    226,786.68/340,256.88 = 100,409.49/x
  3. Step 3: Cross multiply
    226,786.68x = 340,256.88 × 100,409.49
  4. Step 4: Simplify right side
    226,786.68x = 34,165,019,789.79
  5. Step 5: Solve for x
    x = 34,165,019,789.79/226,786.68
  6. Step 6: Final answer
    x = 150,648.26

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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.