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Finding the Fourth Proportional to 800,532.24, 1,200,798.24 and 379,578.48

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Solution

The fourth proportional to 800,532.24, 1,200,798.24 and 379,578.48 is: 569,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,532.24 : 1,200,798.24 = 379,578.48 : x
  2. Step 2: Convert to fraction form
    800,532.24/1,200,798.24 = 379,578.48/x
  3. Step 3: Cross multiply
    800,532.24x = 1,200,798.24 × 379,578.48
  4. Step 4: Simplify right side
    800,532.24x = 455,797,170,725.88
  5. Step 5: Solve for x
    x = 455,797,170,725.88/800,532.24
  6. Step 6: Final answer
    x = 569,367.66

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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.