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Finding the Fourth Proportional to 323,745.08, 446,651.04 and 187,704.11

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Solution

The fourth proportional to 323,745.08, 446,651.04 and 187,704.11 is: 258,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,745.08 : 446,651.04 = 187,704.11 : x
  2. Step 2: Convert to fraction form
    323,745.08/446,651.04 = 187,704.11/x
  3. Step 3: Cross multiply
    323,745.08x = 446,651.04 × 187,704.11
  4. Step 4: Simplify right side
    323,745.08x = 83,838,233,710.52
  5. Step 5: Solve for x
    x = 83,838,233,710.52/323,745.08
  6. Step 6: Final answer
    x = 258,963.73

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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.