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Finding the Fourth Proportional to 437,645.28, 654,601.68 and 268,750.56

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Solution

The fourth proportional to 437,645.28, 654,601.68 and 268,750.56 is: 401,979.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,645.28 : 654,601.68 = 268,750.56 : x
  2. Step 2: Convert to fraction form
    437,645.28/654,601.68 = 268,750.56/x
  3. Step 3: Cross multiply
    437,645.28x = 654,601.68 × 268,750.56
  4. Step 4: Simplify right side
    437,645.28x = 175,924,568,076.94
  5. Step 5: Solve for x
    x = 175,924,568,076.94/437,645.28
  6. Step 6: Final answer
    x = 401,979.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.