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Finding the Fourth Proportional to 577,131.68, 796,426.44 and 322,484.96

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Solution

The fourth proportional to 577,131.68, 796,426.44 and 322,484.96 is: 445,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,131.68 : 796,426.44 = 322,484.96 : x
  2. Step 2: Convert to fraction form
    577,131.68/796,426.44 = 322,484.96/x
  3. Step 3: Cross multiply
    577,131.68x = 796,426.44 × 322,484.96
  4. Step 4: Simplify right side
    577,131.68x = 256,835,548,646.34
  5. Step 5: Solve for x
    x = 256,835,548,646.34/577,131.68
  6. Step 6: Final answer
    x = 445,020.71

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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.