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Finding the Fourth Proportional to 297,939.06, 411,288.44 and 177,119.46

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Solution

The fourth proportional to 297,939.06, 411,288.44 and 177,119.46 is: 244,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,939.06 : 411,288.44 = 177,119.46 : x
  2. Step 2: Convert to fraction form
    297,939.06/411,288.44 = 177,119.46/x
  3. Step 3: Cross multiply
    297,939.06x = 411,288.44 × 177,119.46
  4. Step 4: Simplify right side
    297,939.06x = 72,847,185,511.45
  5. Step 5: Solve for x
    x = 72,847,185,511.45/297,939.06
  6. Step 6: Final answer
    x = 244,503.64

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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.