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Finding the Fourth Proportional to 585,447.45, 807,906.96 and 330,793.17

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Solution

The fourth proportional to 585,447.45, 807,906.96 and 330,793.17 is: 456,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,447.45 : 807,906.96 = 330,793.17 : x
  2. Step 2: Convert to fraction form
    585,447.45/807,906.96 = 330,793.17/x
  3. Step 3: Cross multiply
    585,447.45x = 807,906.96 × 330,793.17
  4. Step 4: Simplify right side
    585,447.45x = 267,250,104,363.46
  5. Step 5: Solve for x
    x = 267,250,104,363.46/585,447.45
  6. Step 6: Final answer
    x = 456,488.63

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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.