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Finding the Fourth Proportional to 366,256.78, 505,422.53 and 202,906.56

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Solution

The fourth proportional to 366,256.78, 505,422.53 and 202,906.56 is: 280,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,256.78 : 505,422.53 = 202,906.56 : x
  2. Step 2: Convert to fraction form
    366,256.78/505,422.53 = 202,906.56/x
  3. Step 3: Cross multiply
    366,256.78x = 505,422.53 × 202,906.56
  4. Step 4: Simplify right side
    366,256.78x = 102,553,546,138.09
  5. Step 5: Solve for x
    x = 102,553,546,138.09/366,256.78
  6. Step 6: Final answer
    x = 280,004.50

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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.