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Finding the Fourth Proportional to 368,238.36, 508,164.12 and 207,093.36

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Solution

The fourth proportional to 368,238.36, 508,164.12 and 207,093.36 is: 285,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,238.36 : 508,164.12 = 207,093.36 : x
  2. Step 2: Convert to fraction form
    368,238.36/508,164.12 = 207,093.36/x
  3. Step 3: Cross multiply
    368,238.36x = 508,164.12 × 207,093.36
  4. Step 4: Simplify right side
    368,238.36x = 105,237,415,042.24
  5. Step 5: Solve for x
    x = 105,237,415,042.24/368,238.36
  6. Step 6: Final answer
    x = 285,786.13

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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.