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Finding the Fourth Proportional to 496,179.27, 684,880.92 and 369,027.09

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Solution

The fourth proportional to 496,179.27, 684,880.92 and 369,027.09 is: 509,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,179.27 : 684,880.92 = 369,027.09 : x
  2. Step 2: Convert to fraction form
    496,179.27/684,880.92 = 369,027.09/x
  3. Step 3: Cross multiply
    496,179.27x = 684,880.92 × 369,027.09
  4. Step 4: Simplify right side
    496,179.27x = 252,739,612,904.12
  5. Step 5: Solve for x
    x = 252,739,612,904.12/496,179.27
  6. Step 6: Final answer
    x = 509,371.57

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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.