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Finding the Fourth Proportional to 328,079.24, 449,796.52 and 322,100.54

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Solution

The fourth proportional to 328,079.24, 449,796.52 and 322,100.54 is: 441,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,079.24 : 449,796.52 = 322,100.54 : x
  2. Step 2: Convert to fraction form
    328,079.24/449,796.52 = 322,100.54/x
  3. Step 3: Cross multiply
    328,079.24x = 449,796.52 × 322,100.54
  4. Step 4: Simplify right side
    328,079.24x = 144,879,701,982.12
  5. Step 5: Solve for x
    x = 144,879,701,982.12/328,079.24
  6. Step 6: Final answer
    x = 441,599.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.