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Finding the Fourth Proportional to 562,879.27, 776,910.11 and 347,889.88

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Solution

The fourth proportional to 562,879.27, 776,910.11 and 347,889.88 is: 480,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,879.27 : 776,910.11 = 347,889.88 : x
  2. Step 2: Convert to fraction form
    562,879.27/776,910.11 = 347,889.88/x
  3. Step 3: Cross multiply
    562,879.27x = 776,910.11 × 347,889.88
  4. Step 4: Simplify right side
    562,879.27x = 270,279,164,938.69
  5. Step 5: Solve for x
    x = 270,279,164,938.69/562,879.27
  6. Step 6: Final answer
    x = 480,172.53

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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.