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Finding the Fourth Proportional to 551,956.07, 827,934.17 and 172,906.34

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Solution

The fourth proportional to 551,956.07, 827,934.17 and 172,906.34 is: 259,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,956.07 : 827,934.17 = 172,906.34 : x
  2. Step 2: Convert to fraction form
    551,956.07/827,934.17 = 172,906.34/x
  3. Step 3: Cross multiply
    551,956.07x = 827,934.17 × 172,906.34
  4. Step 4: Simplify right side
    551,956.07x = 143,155,067,095.64
  5. Step 5: Solve for x
    x = 143,155,067,095.64/551,956.07
  6. Step 6: Final answer
    x = 259,359.53

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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.