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Finding the Fourth Proportional to 562,992.40, 844,632.60 and 397,104.40

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Solution

The fourth proportional to 562,992.40, 844,632.60 and 397,104.40 is: 595,758.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,992.40 : 844,632.60 = 397,104.40 : x
  2. Step 2: Convert to fraction form
    562,992.40/844,632.60 = 397,104.40/x
  3. Step 3: Cross multiply
    562,992.40x = 844,632.60 × 397,104.40
  4. Step 4: Simplify right side
    562,992.40x = 335,407,321,843.44
  5. Step 5: Solve for x
    x = 335,407,321,843.44/562,992.40
  6. Step 6: Final answer
    x = 595,758.17

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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.