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Finding the Fourth Proportional to 483,725.34, 667,722.11 and 363,214.80

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Solution

The fourth proportional to 483,725.34, 667,722.11 and 363,214.80 is: 501,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,725.34 : 667,722.11 = 363,214.80 : x
  2. Step 2: Convert to fraction form
    483,725.34/667,722.11 = 363,214.80/x
  3. Step 3: Cross multiply
    483,725.34x = 667,722.11 × 363,214.80
  4. Step 4: Simplify right side
    483,725.34x = 242,526,550,823.15
  5. Step 5: Solve for x
    x = 242,526,550,823.15/483,725.34
  6. Step 6: Final answer
    x = 501,372.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.