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Finding the Fourth Proportional to 568,400.80, 852,908.40 and 252,906.40

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Solution

The fourth proportional to 568,400.80, 852,908.40 and 252,906.40 is: 379,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,400.80 : 852,908.40 = 252,906.40 : x
  2. Step 2: Convert to fraction form
    568,400.80/852,908.40 = 252,906.40/x
  3. Step 3: Cross multiply
    568,400.80x = 852,908.40 × 252,906.40
  4. Step 4: Simplify right side
    568,400.80x = 215,705,992,973.76
  5. Step 5: Solve for x
    x = 215,705,992,973.76/568,400.80
  6. Step 6: Final answer
    x = 379,496.29

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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.