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Finding the Fourth Proportional to 322,311.30, 483,468.30 and 109,080.90

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Solution

The fourth proportional to 322,311.30, 483,468.30 and 109,080.90 is: 163,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,311.30 : 483,468.30 = 109,080.90 : x
  2. Step 2: Convert to fraction form
    322,311.30/483,468.30 = 109,080.90/x
  3. Step 3: Cross multiply
    322,311.30x = 483,468.30 × 109,080.90
  4. Step 4: Simplify right side
    322,311.30x = 52,737,157,285.47
  5. Step 5: Solve for x
    x = 52,737,157,285.47/322,311.30
  6. Step 6: Final answer
    x = 163,621.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.