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Finding the Fourth Proportional to 339,745.53, 468,836.88 and 186,782.61

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Solution

The fourth proportional to 339,745.53, 468,836.88 and 186,782.61 is: 257,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,745.53 : 468,836.88 = 186,782.61 : x
  2. Step 2: Convert to fraction form
    339,745.53/468,836.88 = 186,782.61/x
  3. Step 3: Cross multiply
    339,745.53x = 468,836.88 × 186,782.61
  4. Step 4: Simplify right side
    339,745.53x = 87,570,576,110.66
  5. Step 5: Solve for x
    x = 87,570,576,110.66/339,745.53
  6. Step 6: Final answer
    x = 257,753.43

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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.