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Finding the Fourth Proportional to 342,871.74, 473,166.48 and 206,879.37

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Solution

The fourth proportional to 342,871.74, 473,166.48 and 206,879.37 is: 285,495.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,871.74 : 473,166.48 = 206,879.37 : x
  2. Step 2: Convert to fraction form
    342,871.74/473,166.48 = 206,879.37/x
  3. Step 3: Cross multiply
    342,871.74x = 473,166.48 × 206,879.37
  4. Step 4: Simplify right side
    342,871.74x = 97,888,383,287.52
  5. Step 5: Solve for x
    x = 97,888,383,287.52/342,871.74
  6. Step 6: Final answer
    x = 285,495.63

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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.