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Finding the Fourth Proportional to 322,311.38, 483,467.06 and 100,695.38

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Solution

The fourth proportional to 322,311.38, 483,467.06 and 100,695.38 is: 151,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,311.38 : 483,467.06 = 100,695.38 : x
  2. Step 2: Convert to fraction form
    322,311.38/483,467.06 = 100,695.38/x
  3. Step 3: Cross multiply
    322,311.38x = 483,467.06 × 100,695.38
  4. Step 4: Simplify right side
    322,311.38x = 48,682,897,158.59
  5. Step 5: Solve for x
    x = 48,682,897,158.59/322,311.38
  6. Step 6: Final answer
    x = 151,043.06

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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.