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Finding the Fourth Proportional to 492,842.46, 680,096.79 and 277,982.94

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Solution

The fourth proportional to 492,842.46, 680,096.79 and 277,982.94 is: 383,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,842.46 : 680,096.79 = 277,982.94 : x
  2. Step 2: Convert to fraction form
    492,842.46/680,096.79 = 277,982.94/x
  3. Step 3: Cross multiply
    492,842.46x = 680,096.79 × 277,982.94
  4. Step 4: Simplify right side
    492,842.46x = 189,055,305,168.76
  5. Step 5: Solve for x
    x = 189,055,305,168.76/492,842.46
  6. Step 6: Final answer
    x = 383,601.90

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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.