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Finding the Fourth Proportional to 577,257.09, 796,639.38 and 322,608.27

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Solution

The fourth proportional to 577,257.09, 796,639.38 and 322,608.27 is: 445,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,257.09 : 796,639.38 = 322,608.27 : x
  2. Step 2: Convert to fraction form
    577,257.09/796,639.38 = 322,608.27/x
  3. Step 3: Cross multiply
    577,257.09x = 796,639.38 × 322,608.27
  4. Step 4: Simplify right side
    577,257.09x = 257,002,452,195.67
  5. Step 5: Solve for x
    x = 257,002,452,195.67/577,257.09
  6. Step 6: Final answer
    x = 445,213.16

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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.