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Finding the Fourth Proportional to 598,266.80, 897,837.60 and 398,520.80

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Solution

The fourth proportional to 598,266.80, 897,837.60 and 398,520.80 is: 598,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,266.80 : 897,837.60 = 398,520.80 : x
  2. Step 2: Convert to fraction form
    598,266.80/897,837.60 = 398,520.80/x
  3. Step 3: Cross multiply
    598,266.80x = 897,837.60 × 398,520.80
  4. Step 4: Simplify right side
    598,266.80x = 357,806,958,622.08
  5. Step 5: Solve for x
    x = 357,806,958,622.08/598,266.80
  6. Step 6: Final answer
    x = 598,072.56

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1.5x scale

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.