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Finding the Fourth Proportional to 499,392.37, 689,164.37 and 273,037.87

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Solution

The fourth proportional to 499,392.37, 689,164.37 and 273,037.87 is: 376,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,392.37 : 689,164.37 = 273,037.87 : x
  2. Step 2: Convert to fraction form
    499,392.37/689,164.37 = 273,037.87/x
  3. Step 3: Cross multiply
    499,392.37x = 689,164.37 × 273,037.87
  4. Step 4: Simplify right side
    499,392.37x = 188,167,971,664.69
  5. Step 5: Solve for x
    x = 188,167,971,664.69/499,392.37
  6. Step 6: Final answer
    x = 376,793.85

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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.