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Finding the Fourth Proportional to 226,627.20, 339,940.80 and 191,197.80

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Solution

The fourth proportional to 226,627.20, 339,940.80 and 191,197.80 is: 286,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,627.20 : 339,940.80 = 191,197.80 : x
  2. Step 2: Convert to fraction form
    226,627.20/339,940.80 = 191,197.80/x
  3. Step 3: Cross multiply
    226,627.20x = 339,940.80 × 191,197.80
  4. Step 4: Simplify right side
    226,627.20x = 64,995,933,090.24
  5. Step 5: Solve for x
    x = 64,995,933,090.24/226,627.20
  6. Step 6: Final answer
    x = 286,796.70

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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.