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Finding the Fourth Proportional to 366,252.57, 504,932.40 and 313,108.47

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Solution

The fourth proportional to 366,252.57, 504,932.40 and 313,108.47 is: 431,665.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,252.57 : 504,932.40 = 313,108.47 : x
  2. Step 2: Convert to fraction form
    366,252.57/504,932.40 = 313,108.47/x
  3. Step 3: Cross multiply
    366,252.57x = 504,932.40 × 313,108.47
  4. Step 4: Simplify right side
    366,252.57x = 158,098,611,217.43
  5. Step 5: Solve for x
    x = 158,098,611,217.43/366,252.57
  6. Step 6: Final answer
    x = 431,665.53

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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.