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Finding the Fourth Proportional to 396,879.49, 595,320.86 and 97,362.01

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Solution

The fourth proportional to 396,879.49, 595,320.86 and 97,362.01 is: 146,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,879.49 : 595,320.86 = 97,362.01 : x
  2. Step 2: Convert to fraction form
    396,879.49/595,320.86 = 97,362.01/x
  3. Step 3: Cross multiply
    396,879.49x = 595,320.86 × 97,362.01
  4. Step 4: Simplify right side
    396,879.49x = 57,961,635,524.53
  5. Step 5: Solve for x
    x = 57,961,635,524.53/396,879.49
  6. Step 6: Final answer
    x = 146,043.41

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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.