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Finding the Fourth Proportional to 293,434.41, 404,941.17 and 172,580.79

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Solution

The fourth proportional to 293,434.41, 404,941.17 and 172,580.79 is: 238,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,434.41 : 404,941.17 = 172,580.79 : x
  2. Step 2: Convert to fraction form
    293,434.41/404,941.17 = 172,580.79/x
  3. Step 3: Cross multiply
    293,434.41x = 404,941.17 × 172,580.79
  4. Step 4: Simplify right side
    293,434.41x = 69,885,067,022.12
  5. Step 5: Solve for x
    x = 69,885,067,022.12/293,434.41
  6. Step 6: Final answer
    x = 238,162.48

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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.