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Finding the Fourth Proportional to 577,321.44, 796,689.80 and 322,696.32

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Solution

The fourth proportional to 577,321.44, 796,689.80 and 322,696.32 is: 445,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,321.44 : 796,689.80 = 322,696.32 : x
  2. Step 2: Convert to fraction form
    577,321.44/796,689.80 = 322,696.32/x
  3. Step 3: Cross multiply
    577,321.44x = 796,689.80 × 322,696.32
  4. Step 4: Simplify right side
    577,321.44x = 257,088,866,641.54
  5. Step 5: Solve for x
    x = 257,088,866,641.54/577,321.44
  6. Step 6: Final answer
    x = 445,313.22

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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.