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Finding the Fourth Proportional to 327,386.88, 451,798.56 and 193,250.88

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Solution

The fourth proportional to 327,386.88, 451,798.56 and 193,250.88 is: 266,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,386.88 : 451,798.56 = 193,250.88 : x
  2. Step 2: Convert to fraction form
    327,386.88/451,798.56 = 193,250.88/x
  3. Step 3: Cross multiply
    327,386.88x = 451,798.56 × 193,250.88
  4. Step 4: Simplify right side
    327,386.88x = 87,310,469,302.73
  5. Step 5: Solve for x
    x = 87,310,469,302.73/327,386.88
  6. Step 6: Final answer
    x = 266,688.97

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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.