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Finding the Fourth Proportional to 377,687.69, 566,475.60 and 137,745.31

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Solution

The fourth proportional to 377,687.69, 566,475.60 and 137,745.31 is: 206,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,687.69 : 566,475.60 = 137,745.31 : x
  2. Step 2: Convert to fraction form
    377,687.69/566,475.60 = 137,745.31/x
  3. Step 3: Cross multiply
    377,687.69x = 566,475.60 × 137,745.31
  4. Step 4: Simplify right side
    377,687.69x = 78,029,357,129.44
  5. Step 5: Solve for x
    x = 78,029,357,129.44/377,687.69
  6. Step 6: Final answer
    x = 206,597.57

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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.