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Finding the Fourth Proportional to 499,900.66, 689,863.37 and 273,546.16

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Solution

The fourth proportional to 499,900.66, 689,863.37 and 273,546.16 is: 377,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,900.66 : 689,863.37 = 273,546.16 : x
  2. Step 2: Convert to fraction form
    499,900.66/689,863.37 = 273,546.16/x
  3. Step 3: Cross multiply
    499,900.66x = 689,863.37 × 273,546.16
  4. Step 4: Simplify right side
    499,900.66x = 188,709,472,695.77
  5. Step 5: Solve for x
    x = 188,709,472,695.77/499,900.66
  6. Step 6: Final answer
    x = 377,493.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.