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Finding the Fourth Proportional to 598,617.62, 826,109.82 and 326,702.97

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Solution

The fourth proportional to 598,617.62, 826,109.82 and 326,702.97 is: 450,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,617.62 : 826,109.82 = 326,702.97 : x
  2. Step 2: Convert to fraction form
    598,617.62/826,109.82 = 326,702.97/x
  3. Step 3: Cross multiply
    598,617.62x = 826,109.82 × 326,702.97
  4. Step 4: Simplify right side
    598,617.62x = 269,892,530,106.65
  5. Step 5: Solve for x
    x = 269,892,530,106.65/598,617.62
  6. Step 6: Final answer
    x = 450,859.65

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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.