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Finding the Fourth Proportional to 396,797.58, 547,495.47 and 235,706.94

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Solution

The fourth proportional to 396,797.58, 547,495.47 and 235,706.94 is: 325,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,797.58 : 547,495.47 = 235,706.94 : x
  2. Step 2: Convert to fraction form
    396,797.58/547,495.47 = 235,706.94/x
  3. Step 3: Cross multiply
    396,797.58x = 547,495.47 × 235,706.94
  4. Step 4: Simplify right side
    396,797.58x = 129,048,481,897.56
  5. Step 5: Solve for x
    x = 129,048,481,897.56/396,797.58
  6. Step 6: Final answer
    x = 325,224.97

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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.