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Finding the Fourth Proportional to 531,332.56, 796,605.17 and 320,921.29

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Solution

The fourth proportional to 531,332.56, 796,605.17 and 320,921.29 is: 481,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,332.56 : 796,605.17 = 320,921.29 : x
  2. Step 2: Convert to fraction form
    531,332.56/796,605.17 = 320,921.29/x
  3. Step 3: Cross multiply
    531,332.56x = 796,605.17 × 320,921.29
  4. Step 4: Simplify right side
    531,332.56x = 255,647,558,168.22
  5. Step 5: Solve for x
    x = 255,647,558,168.22/531,332.56
  6. Step 6: Final answer
    x = 481,144.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.