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Finding the Fourth Proportional to 537,906.30, 806,859.45 and 369,944.70

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Solution

The fourth proportional to 537,906.30, 806,859.45 and 369,944.70 is: 554,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,906.30 : 806,859.45 = 369,944.70 : x
  2. Step 2: Convert to fraction form
    537,906.30/806,859.45 = 369,944.70/x
  3. Step 3: Cross multiply
    537,906.30x = 806,859.45 × 369,944.70
  4. Step 4: Simplify right side
    537,906.30x = 298,493,377,172.42
  5. Step 5: Solve for x
    x = 298,493,377,172.42/537,906.30
  6. Step 6: Final answer
    x = 554,917.05

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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.