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Finding the Fourth Proportional to 372,542.88, 513,958.32 and 227,274.24

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Solution

The fourth proportional to 372,542.88, 513,958.32 and 227,274.24 is: 313,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,542.88 : 513,958.32 = 227,274.24 : x
  2. Step 2: Convert to fraction form
    372,542.88/513,958.32 = 227,274.24/x
  3. Step 3: Cross multiply
    372,542.88x = 513,958.32 × 227,274.24
  4. Step 4: Simplify right side
    372,542.88x = 116,809,486,569.68
  5. Step 5: Solve for x
    x = 116,809,486,569.68/372,542.88
  6. Step 6: Final answer
    x = 313,546.42

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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.