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Finding the Fourth Proportional to 383,658.26, 574,372.02 and 223,245.31

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Solution

The fourth proportional to 383,658.26, 574,372.02 and 223,245.31 is: 334,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,658.26 : 574,372.02 = 223,245.31 : x
  2. Step 2: Convert to fraction form
    383,658.26/574,372.02 = 223,245.31/x
  3. Step 3: Cross multiply
    383,658.26x = 574,372.02 × 223,245.31
  4. Step 4: Simplify right side
    383,658.26x = 128,225,858,224.30
  5. Step 5: Solve for x
    x = 128,225,858,224.30/383,658.26
  6. Step 6: Final answer
    x = 334,218.94

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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.