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Finding the Fourth Proportional to 368,370.82, 508,424.34 and 239,469.04

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Solution

The fourth proportional to 368,370.82, 508,424.34 and 239,469.04 is: 330,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,370.82 : 508,424.34 = 239,469.04 : x
  2. Step 2: Convert to fraction form
    368,370.82/508,424.34 = 239,469.04/x
  3. Step 3: Cross multiply
    368,370.82x = 508,424.34 × 239,469.04
  4. Step 4: Simplify right side
    368,370.82x = 121,751,888,612.43
  5. Step 5: Solve for x
    x = 121,751,888,612.43/368,370.82
  6. Step 6: Final answer
    x = 330,514.48

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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.