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Finding the Fourth Proportional to 422,532.52, 633,372.06 and 264,871.48

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Solution

The fourth proportional to 422,532.52, 633,372.06 and 264,871.48 is: 397,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,532.52 : 633,372.06 = 264,871.48 : x
  2. Step 2: Convert to fraction form
    422,532.52/633,372.06 = 264,871.48/x
  3. Step 3: Cross multiply
    422,532.52x = 633,372.06 × 264,871.48
  4. Step 4: Simplify right side
    422,532.52x = 167,762,194,922.85
  5. Step 5: Solve for x
    x = 167,762,194,922.85/422,532.52
  6. Step 6: Final answer
    x = 397,039.72

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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.