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Finding the Fourth Proportional to 396,247.74, 594,369.56 and 96,729.90

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Solution

The fourth proportional to 396,247.74, 594,369.56 and 96,729.90 is: 145,094.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,247.74 : 594,369.56 = 96,729.90 : x
  2. Step 2: Convert to fraction form
    396,247.74/594,369.56 = 96,729.90/x
  3. Step 3: Cross multiply
    396,247.74x = 594,369.56 × 96,729.90
  4. Step 4: Simplify right side
    396,247.74x = 57,493,308,101.84
  5. Step 5: Solve for x
    x = 57,493,308,101.84/396,247.74
  6. Step 6: Final answer
    x = 145,094.35

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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.