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Finding the Fourth Proportional to 492,450.44, 679,583.94 and 277,599.56

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Solution

The fourth proportional to 492,450.44, 679,583.94 and 277,599.56 is: 383,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,450.44 : 679,583.94 = 277,599.56 : x
  2. Step 2: Convert to fraction form
    492,450.44/679,583.94 = 277,599.56/x
  3. Step 3: Cross multiply
    492,450.44x = 679,583.94 × 277,599.56
  4. Step 4: Simplify right side
    492,450.44x = 188,652,202,727.07
  5. Step 5: Solve for x
    x = 188,652,202,727.07/492,450.44
  6. Step 6: Final answer
    x = 383,088.71

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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.