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Finding the Fourth Proportional to 226,496.40, 339,890.40 and 131,726.40

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Solution

The fourth proportional to 226,496.40, 339,890.40 and 131,726.40 is: 197,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,496.40 : 339,890.40 = 131,726.40 : x
  2. Step 2: Convert to fraction form
    226,496.40/339,890.40 = 131,726.40/x
  3. Step 3: Cross multiply
    226,496.40x = 339,890.40 × 131,726.40
  4. Step 4: Simplify right side
    226,496.40x = 44,772,538,786.56
  5. Step 5: Solve for x
    x = 44,772,538,786.56/226,496.40
  6. Step 6: Final answer
    x = 197,674.39

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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.