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Finding the Fourth Proportional to 598,843.20, 899,301.60 and 580,180.80

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Solution

The fourth proportional to 598,843.20, 899,301.60 and 580,180.80 is: 871,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,843.20 : 899,301.60 = 580,180.80 : x
  2. Step 2: Convert to fraction form
    598,843.20/899,301.60 = 580,180.80/x
  3. Step 3: Cross multiply
    598,843.20x = 899,301.60 × 580,180.80
  4. Step 4: Simplify right side
    598,843.20x = 521,757,521,729.28
  5. Step 5: Solve for x
    x = 521,757,521,729.28/598,843.20
  6. Step 6: Final answer
    x = 871,275.69

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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.