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Finding the Fourth Proportional to 492,107.57, 737,898.90 and 254,861.81

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Solution

The fourth proportional to 492,107.57, 737,898.90 and 254,861.81 is: 382,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,107.57 : 737,898.90 = 254,861.81 : x
  2. Step 2: Convert to fraction form
    492,107.57/737,898.90 = 254,861.81/x
  3. Step 3: Cross multiply
    492,107.57x = 737,898.90 × 254,861.81
  4. Step 4: Simplify right side
    492,107.57x = 188,062,245,561.52
  5. Step 5: Solve for x
    x = 188,062,245,561.52/492,107.57
  6. Step 6: Final answer
    x = 382,156.79

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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.