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Finding the Fourth Proportional to 396,572.51, 594,137.06 and 354,057.23

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Solution

The fourth proportional to 396,572.51, 594,137.06 and 354,057.23 is: 530,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,572.51 : 594,137.06 = 354,057.23 : x
  2. Step 2: Convert to fraction form
    396,572.51/594,137.06 = 354,057.23/x
  3. Step 3: Cross multiply
    396,572.51x = 594,137.06 × 354,057.23
  4. Step 4: Simplify right side
    396,572.51x = 210,358,521,703.94
  5. Step 5: Solve for x
    x = 210,358,521,703.94/396,572.51
  6. Step 6: Final answer
    x = 530,441.51

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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.