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Finding the Fourth Proportional to 297,912.19, 411,072.91 and 177,008.71

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Solution

The fourth proportional to 297,912.19, 411,072.91 and 177,008.71 is: 244,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,912.19 : 411,072.91 = 177,008.71 : x
  2. Step 2: Convert to fraction form
    297,912.19/411,072.91 = 177,008.71/x
  3. Step 3: Cross multiply
    297,912.19x = 411,072.91 × 177,008.71
  4. Step 4: Simplify right side
    297,912.19x = 72,763,485,515.05
  5. Step 5: Solve for x
    x = 72,763,485,515.05/297,912.19
  6. Step 6: Final answer
    x = 244,244.74

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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.