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Finding the Fourth Proportional to 647,997.35, 894,236.91 and 361,517.51

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Solution

The fourth proportional to 647,997.35, 894,236.91 and 361,517.51 is: 498,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,997.35 : 894,236.91 = 361,517.51 : x
  2. Step 2: Convert to fraction form
    647,997.35/894,236.91 = 361,517.51/x
  3. Step 3: Cross multiply
    647,997.35x = 894,236.91 × 361,517.51
  4. Step 4: Simplify right side
    647,997.35x = 323,282,296,582.11
  5. Step 5: Solve for x
    x = 323,282,296,582.11/647,997.35
  6. Step 6: Final answer
    x = 498,894.48

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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.