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Finding the Fourth Proportional to 577,219.62, 796,549.32 and 322,620

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Solution

The fourth proportional to 577,219.62, 796,549.32 and 322,620 is: 445,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,219.62 : 796,549.32 = 322,620 : x
  2. Step 2: Convert to fraction form
    577,219.62/796,549.32 = 322,620/x
  3. Step 3: Cross multiply
    577,219.62x = 796,549.32 × 322,620
  4. Step 4: Simplify right side
    577,219.62x = 256,982,741,618.40
  5. Step 5: Solve for x
    x = 256,982,741,618.40/577,219.62
  6. Step 6: Final answer
    x = 445,207.91

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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.