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Finding the Fourth Proportional to 327,125.52, 451,775.88 and 225,415.44

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Solution

The fourth proportional to 327,125.52, 451,775.88 and 225,415.44 is: 311,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,125.52 : 451,775.88 = 225,415.44 : x
  2. Step 2: Convert to fraction form
    327,125.52/451,775.88 = 225,415.44/x
  3. Step 3: Cross multiply
    327,125.52x = 451,775.88 × 225,415.44
  4. Step 4: Simplify right side
    327,125.52x = 101,837,258,771.59
  5. Step 5: Solve for x
    x = 101,837,258,771.59/327,125.52
  6. Step 6: Final answer
    x = 311,309.43

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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.