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Finding the Fourth Proportional to 363,221.35, 501,308.13 and 227,310.37

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Solution

The fourth proportional to 363,221.35, 501,308.13 and 227,310.37 is: 313,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,221.35 : 501,308.13 = 227,310.37 : x
  2. Step 2: Convert to fraction form
    363,221.35/501,308.13 = 227,310.37/x
  3. Step 3: Cross multiply
    363,221.35x = 501,308.13 × 227,310.37
  4. Step 4: Simplify right side
    363,221.35x = 113,952,536,514.31
  5. Step 5: Solve for x
    x = 113,952,536,514.31/363,221.35
  6. Step 6: Final answer
    x = 313,727.53

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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.