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Finding the Fourth Proportional to 323,745.04, 485,661.91 and 110,455.74

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Solution

The fourth proportional to 323,745.04, 485,661.91 and 110,455.74 is: 165,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,745.04 : 485,661.91 = 110,455.74 : x
  2. Step 2: Convert to fraction form
    323,745.04/485,661.91 = 110,455.74/x
  3. Step 3: Cross multiply
    323,745.04x = 485,661.91 × 110,455.74
  4. Step 4: Simplify right side
    323,745.04x = 53,644,145,658.86
  5. Step 5: Solve for x
    x = 53,644,145,658.86/323,745.04
  6. Step 6: Final answer
    x = 165,698.74

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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.