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Finding the Fourth Proportional to 577,410.26, 796,843.78 and 322,772.18

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Solution

The fourth proportional to 577,410.26, 796,843.78 and 322,772.18 is: 445,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,410.26 : 796,843.78 = 322,772.18 : x
  2. Step 2: Convert to fraction form
    577,410.26/796,843.78 = 322,772.18/x
  3. Step 3: Cross multiply
    577,410.26x = 796,843.78 × 322,772.18
  4. Step 4: Simplify right side
    577,410.26x = 257,198,999,198.89
  5. Step 5: Solve for x
    x = 257,198,999,198.89/577,410.26
  6. Step 6: Final answer
    x = 445,435.45

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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.