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Finding the Fourth Proportional to 293,331, 404,796.78 and 159,195

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Solution

The fourth proportional to 293,331, 404,796.78 and 159,195 is: 219,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,331 : 404,796.78 = 159,195 : x
  2. Step 2: Convert to fraction form
    293,331/404,796.78 = 159,195/x
  3. Step 3: Cross multiply
    293,331x = 404,796.78 × 159,195
  4. Step 4: Simplify right side
    293,331x = 64,441,623,392.10
  5. Step 5: Solve for x
    x = 64,441,623,392.10/293,331
  6. Step 6: Final answer
    x = 219,689.10

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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.