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Finding the Fourth Proportional to 492,610.98, 679,804.11 and 277,750.56

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Solution

The fourth proportional to 492,610.98, 679,804.11 and 277,750.56 is: 383,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,610.98 : 679,804.11 = 277,750.56 : x
  2. Step 2: Convert to fraction form
    492,610.98/679,804.11 = 277,750.56/x
  3. Step 3: Cross multiply
    492,610.98x = 679,804.11 × 277,750.56
  4. Step 4: Simplify right side
    492,610.98x = 188,815,972,242.80
  5. Step 5: Solve for x
    x = 188,815,972,242.80/492,610.98
  6. Step 6: Final answer
    x = 383,296.31

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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.