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Finding the Fourth Proportional to 577,158.93, 796,464.05 and 322,512.21

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Solution

The fourth proportional to 577,158.93, 796,464.05 and 322,512.21 is: 445,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,158.93 : 796,464.05 = 322,512.21 : x
  2. Step 2: Convert to fraction form
    577,158.93/796,464.05 = 322,512.21/x
  3. Step 3: Cross multiply
    577,158.93x = 796,464.05 × 322,512.21
  4. Step 4: Simplify right side
    577,158.93x = 256,869,379,338.49
  5. Step 5: Solve for x
    x = 256,869,379,338.49/577,158.93
  6. Step 6: Final answer
    x = 445,058.31

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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.