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Finding the Fourth Proportional to 499,951.98, 689,949.09 and 273,602.34

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Solution

The fourth proportional to 499,951.98, 689,949.09 and 273,602.34 is: 377,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,951.98 : 689,949.09 = 273,602.34 : x
  2. Step 2: Convert to fraction form
    499,951.98/689,949.09 = 273,602.34/x
  3. Step 3: Cross multiply
    499,951.98x = 689,949.09 × 273,602.34
  4. Step 4: Simplify right side
    499,951.98x = 188,771,685,504.87
  5. Step 5: Solve for x
    x = 188,771,685,504.87/499,951.98
  6. Step 6: Final answer
    x = 377,579.63

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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.