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Finding the Fourth Proportional to 598,617.05, 826,109.03 and 326,702.41

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Solution

The fourth proportional to 598,617.05, 826,109.03 and 326,702.41 is: 450,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,617.05 : 826,109.03 = 326,702.41 : x
  2. Step 2: Convert to fraction form
    598,617.05/826,109.03 = 326,702.41/x
  3. Step 3: Cross multiply
    598,617.05x = 826,109.03 × 326,702.41
  4. Step 4: Simplify right side
    598,617.05x = 269,891,809,775.25
  5. Step 5: Solve for x
    x = 269,891,809,775.25/598,617.05
  6. Step 6: Final answer
    x = 450,858.87

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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.