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Finding the Fourth Proportional to 317,067.69, 437,553.30 and 173,824.66

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Solution

The fourth proportional to 317,067.69, 437,553.30 and 173,824.66 is: 239,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,067.69 : 437,553.30 = 173,824.66 : x
  2. Step 2: Convert to fraction form
    317,067.69/437,553.30 = 173,824.66/x
  3. Step 3: Cross multiply
    317,067.69x = 437,553.30 × 173,824.66
  4. Step 4: Simplify right side
    317,067.69x = 76,057,553,604.38
  5. Step 5: Solve for x
    x = 76,057,553,604.38/317,067.69
  6. Step 6: Final answer
    x = 239,877.97

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1.5x scale

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.