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Finding the Fourth Proportional to 445,198.40, 667,502.40 and 245,614.40

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Solution

The fourth proportional to 445,198.40, 667,502.40 and 245,614.40 is: 368,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,198.40 : 667,502.40 = 245,614.40 : x
  2. Step 2: Convert to fraction form
    445,198.40/667,502.40 = 245,614.40/x
  3. Step 3: Cross multiply
    445,198.40x = 667,502.40 × 245,614.40
  4. Step 4: Simplify right side
    445,198.40x = 163,948,201,474.56
  5. Step 5: Solve for x
    x = 163,948,201,474.56/445,198.40
  6. Step 6: Final answer
    x = 368,258.74

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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.