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Finding the Fourth Proportional to 408,633.27, 563,594.38 and 265,439.44

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Solution

The fourth proportional to 408,633.27, 563,594.38 and 265,439.44 is: 366,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,633.27 : 563,594.38 = 265,439.44 : x
  2. Step 2: Convert to fraction form
    408,633.27/563,594.38 = 265,439.44/x
  3. Step 3: Cross multiply
    408,633.27x = 563,594.38 × 265,439.44
  4. Step 4: Simplify right side
    408,633.27x = 149,600,176,614.35
  5. Step 5: Solve for x
    x = 149,600,176,614.35/408,633.27
  6. Step 6: Final answer
    x = 366,098.87

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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.