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Finding the Fourth Proportional to 363,422.78, 501,310.86 and 236,183.12

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Solution

The fourth proportional to 363,422.78, 501,310.86 and 236,183.12 is: 325,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,422.78 : 501,310.86 = 236,183.12 : x
  2. Step 2: Convert to fraction form
    363,422.78/501,310.86 = 236,183.12/x
  3. Step 3: Cross multiply
    363,422.78x = 501,310.86 × 236,183.12
  4. Step 4: Simplify right side
    363,422.78x = 118,401,163,004.68
  5. Step 5: Solve for x
    x = 118,401,163,004.68/363,422.78
  6. Step 6: Final answer
    x = 325,794.56

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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.