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Finding the Fourth Proportional to 499,951.80, 689,930.22 and 273,596.60

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Solution

The fourth proportional to 499,951.80, 689,930.22 and 273,596.60 is: 377,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,951.80 : 689,930.22 = 273,596.60 : x
  2. Step 2: Convert to fraction form
    499,951.80/689,930.22 = 273,596.60/x
  3. Step 3: Cross multiply
    499,951.80x = 689,930.22 × 273,596.60
  4. Step 4: Simplify right side
    499,951.80x = 188,762,562,429.25
  5. Step 5: Solve for x
    x = 188,762,562,429.25/499,951.80
  6. Step 6: Final answer
    x = 377,561.52

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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.