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Finding the Fourth Proportional to 598,418.80, 897,628.20 and 574,799.20

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Solution

The fourth proportional to 598,418.80, 897,628.20 and 574,799.20 is: 862,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,418.80 : 897,628.20 = 574,799.20 : x
  2. Step 2: Convert to fraction form
    598,418.80/897,628.20 = 574,799.20/x
  3. Step 3: Cross multiply
    598,418.80x = 897,628.20 × 574,799.20
  4. Step 4: Simplify right side
    598,418.80x = 515,955,971,257.44
  5. Step 5: Solve for x
    x = 515,955,971,257.44/598,418.80
  6. Step 6: Final answer
    x = 862,198.80

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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.