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Finding the Fourth Proportional to 499,750.47, 689,671.89 and 273,395.97

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Solution

The fourth proportional to 499,750.47, 689,671.89 and 273,395.97 is: 377,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,750.47 : 689,671.89 = 273,395.97 : x
  2. Step 2: Convert to fraction form
    499,750.47/689,671.89 = 273,395.97/x
  3. Step 3: Cross multiply
    499,750.47x = 689,671.89 × 273,395.97
  4. Step 4: Simplify right side
    499,750.47x = 188,553,515,348.28
  5. Step 5: Solve for x
    x = 188,553,515,348.28/499,750.47
  6. Step 6: Final answer
    x = 377,295.32

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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.