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Finding the Fourth Proportional to 492,812.37, 680,079.24 and 277,951.10

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Solution

The fourth proportional to 492,812.37, 680,079.24 and 277,951.10 is: 383,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,812.37 : 680,079.24 = 277,951.10 : x
  2. Step 2: Convert to fraction form
    492,812.37/680,079.24 = 277,951.10/x
  3. Step 3: Cross multiply
    492,812.37x = 680,079.24 × 277,951.10
  4. Step 4: Simplify right side
    492,812.37x = 189,028,769,444.77
  5. Step 5: Solve for x
    x = 189,028,769,444.77/492,812.37
  6. Step 6: Final answer
    x = 383,571.48

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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.