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Finding the Fourth Proportional to 322,495.91, 445,033.01 and 177,300.64

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Solution

The fourth proportional to 322,495.91, 445,033.01 and 177,300.64 is: 244,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,495.91 : 445,033.01 = 177,300.64 : x
  2. Step 2: Convert to fraction form
    322,495.91/445,033.01 = 177,300.64/x
  3. Step 3: Cross multiply
    322,495.91x = 445,033.01 × 177,300.64
  4. Step 4: Simplify right side
    322,495.91x = 78,904,634,382.46
  5. Step 5: Solve for x
    x = 78,904,634,382.46/322,495.91
  6. Step 6: Final answer
    x = 244,668.64

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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.