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Finding the Fourth Proportional to 961,192, 1,325,820.04 and 616,481.92

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Solution

The fourth proportional to 961,192, 1,325,820.04 and 616,481.92 is: 850,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,192 : 1,325,820.04 = 616,481.92 : x
  2. Step 2: Convert to fraction form
    961,192/1,325,820.04 = 616,481.92/x
  3. Step 3: Cross multiply
    961,192x = 1,325,820.04 × 616,481.92
  4. Step 4: Simplify right side
    961,192x = 817,344,083,833.68
  5. Step 5: Solve for x
    x = 817,344,083,833.68/961,192
  6. Step 6: Final answer
    x = 850,344.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.