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Finding the Fourth Proportional to 422,535.52, 633,376.56 and 264,874.48

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Solution

The fourth proportional to 422,535.52, 633,376.56 and 264,874.48 is: 397,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,535.52 : 633,376.56 = 264,874.48 : x
  2. Step 2: Convert to fraction form
    422,535.52/633,376.56 = 264,874.48/x
  3. Step 3: Cross multiply
    422,535.52x = 633,376.56 × 264,874.48
  4. Step 4: Simplify right side
    422,535.52x = 167,765,286,974.19
  5. Step 5: Solve for x
    x = 167,765,286,974.19/422,535.52
  6. Step 6: Final answer
    x = 397,044.22

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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.