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Finding the Fourth Proportional to 551,632, 825,906.39 and 298,003.84

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Solution

The fourth proportional to 551,632, 825,906.39 and 298,003.84 is: 446,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,632 : 825,906.39 = 298,003.84 : x
  2. Step 2: Convert to fraction form
    551,632/825,906.39 = 298,003.84/x
  3. Step 3: Cross multiply
    551,632x = 825,906.39 × 298,003.84
  4. Step 4: Simplify right side
    551,632x = 246,123,275,700.54
  5. Step 5: Solve for x
    x = 246,123,275,700.54/551,632
  6. Step 6: Final answer
    x = 446,172.95

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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.