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Finding the Fourth Proportional to 568,464.17, 784,612.49 and 374,906.93

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Solution

The fourth proportional to 568,464.17, 784,612.49 and 374,906.93 is: 517,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,464.17 : 784,612.49 = 374,906.93 : x
  2. Step 2: Convert to fraction form
    568,464.17/784,612.49 = 374,906.93/x
  3. Step 3: Cross multiply
    568,464.17x = 784,612.49 × 374,906.93
  4. Step 4: Simplify right side
    568,464.17x = 294,156,654,067.96
  5. Step 5: Solve for x
    x = 294,156,654,067.96/568,464.17
  6. Step 6: Final answer
    x = 517,458.57

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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.