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Finding the Fourth Proportional to 568,192.77, 784,240.22 and 326,615.48

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Solution

The fourth proportional to 568,192.77, 784,240.22 and 326,615.48 is: 450,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,192.77 : 784,240.22 = 326,615.48 : x
  2. Step 2: Convert to fraction form
    568,192.77/784,240.22 = 326,615.48/x
  3. Step 3: Cross multiply
    568,192.77x = 784,240.22 × 326,615.48
  4. Step 4: Simplify right side
    568,192.77x = 256,144,990,336.33
  5. Step 5: Solve for x
    x = 256,144,990,336.33/568,192.77
  6. Step 6: Final answer
    x = 450,806.49

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1.5x scale

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.