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Finding the Fourth Proportional to 226,393.22, 338,711.78 and 163,358.48

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Solution

The fourth proportional to 226,393.22, 338,711.78 and 163,358.48 is: 244,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,393.22 : 338,711.78 = 163,358.48 : x
  2. Step 2: Convert to fraction form
    226,393.22/338,711.78 = 163,358.48/x
  3. Step 3: Cross multiply
    226,393.22x = 338,711.78 × 163,358.48
  4. Step 4: Simplify right side
    226,393.22x = 55,331,441,538.89
  5. Step 5: Solve for x
    x = 55,331,441,538.89/226,393.22
  6. Step 6: Final answer
    x = 244,404.15

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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.