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Finding the Fourth Proportional to 296,299.94, 408,896.39 and 173,865.54

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Solution

The fourth proportional to 296,299.94, 408,896.39 and 173,865.54 is: 239,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,299.94 : 408,896.39 = 173,865.54 : x
  2. Step 2: Convert to fraction form
    296,299.94/408,896.39 = 173,865.54/x
  3. Step 3: Cross multiply
    296,299.94x = 408,896.39 × 173,865.54
  4. Step 4: Simplify right side
    296,299.94x = 71,092,990,341.39
  5. Step 5: Solve for x
    x = 71,092,990,341.39/296,299.94
  6. Step 6: Final answer
    x = 239,935.89

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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.