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Finding the Fourth Proportional to 355,183.77, 490,187.37 and 194,063.02

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Solution

The fourth proportional to 355,183.77, 490,187.37 and 194,063.02 is: 267,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,183.77 : 490,187.37 = 194,063.02 : x
  2. Step 2: Convert to fraction form
    355,183.77/490,187.37 = 194,063.02/x
  3. Step 3: Cross multiply
    355,183.77x = 490,187.37 × 194,063.02
  4. Step 4: Simplify right side
    355,183.77x = 95,127,241,388.06
  5. Step 5: Solve for x
    x = 95,127,241,388.06/355,183.77
  6. Step 6: Final answer
    x = 267,825.42

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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.