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Finding the Fourth Proportional to 396,024.72, 594,078.60 and 111,713.01

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Solution

The fourth proportional to 396,024.72, 594,078.60 and 111,713.01 is: 167,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,024.72 : 594,078.60 = 111,713.01 : x
  2. Step 2: Convert to fraction form
    396,024.72/594,078.60 = 111,713.01/x
  3. Step 3: Cross multiply
    396,024.72x = 594,078.60 × 111,713.01
  4. Step 4: Simplify right side
    396,024.72x = 66,366,308,582.59
  5. Step 5: Solve for x
    x = 66,366,308,582.59/396,024.72
  6. Step 6: Final answer
    x = 167,581.23

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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.