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Finding the Fourth Proportional to 577,213.37, 796,540.66 and 322,613.78

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Solution

The fourth proportional to 577,213.37, 796,540.66 and 322,613.78 is: 445,199.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,213.37 : 796,540.66 = 322,613.78 : x
  2. Step 2: Convert to fraction form
    577,213.37/796,540.66 = 322,613.78/x
  3. Step 3: Cross multiply
    577,213.37x = 796,540.66 × 322,613.78
  4. Step 4: Simplify right side
    577,213.37x = 256,974,993,246.30
  5. Step 5: Solve for x
    x = 256,974,993,246.30/577,213.37
  6. Step 6: Final answer
    x = 445,199.31

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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.