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Finding the Fourth Proportional to 396,573.52, 594,138.56 and 354,058.24

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Solution

The fourth proportional to 396,573.52, 594,138.56 and 354,058.24 is: 530,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,573.52 : 594,138.56 = 354,058.24 : x
  2. Step 2: Convert to fraction form
    396,573.52/594,138.56 = 354,058.24/x
  3. Step 3: Cross multiply
    396,573.52x = 594,138.56 × 354,058.24
  4. Step 4: Simplify right side
    396,573.52x = 210,359,649,899.04
  5. Step 5: Solve for x
    x = 210,359,649,899.04/396,573.52
  6. Step 6: Final answer
    x = 530,443.01

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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.