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Finding the Fourth Proportional to 368,040.69, 507,898.29 and 206,894.33

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Solution

The fourth proportional to 368,040.69, 507,898.29 and 206,894.33 is: 285,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,040.69 : 507,898.29 = 206,894.33 : x
  2. Step 2: Convert to fraction form
    368,040.69/507,898.29 = 206,894.33/x
  3. Step 3: Cross multiply
    368,040.69x = 507,898.29 × 206,894.33
  4. Step 4: Simplify right side
    368,040.69x = 105,081,275,383.22
  5. Step 5: Solve for x
    x = 105,081,275,383.22/368,040.69
  6. Step 6: Final answer
    x = 285,515.37

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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.