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Finding the Fourth Proportional to 577,258.09, 796,640.76 and 322,609.27

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Solution

The fourth proportional to 577,258.09, 796,640.76 and 322,609.27 is: 445,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,258.09 : 796,640.76 = 322,609.27 : x
  2. Step 2: Convert to fraction form
    577,258.09/796,640.76 = 322,609.27/x
  3. Step 3: Cross multiply
    577,258.09x = 796,640.76 × 322,609.27
  4. Step 4: Simplify right side
    577,258.09x = 257,003,694,035.85
  5. Step 5: Solve for x
    x = 257,003,694,035.85/577,258.09
  6. Step 6: Final answer
    x = 445,214.54

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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.