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Finding the Fourth Proportional to 379,268.58, 568,902.69 and 113,022.30

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Solution

The fourth proportional to 379,268.58, 568,902.69 and 113,022.30 is: 169,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,268.58 : 568,902.69 = 113,022.30 : x
  2. Step 2: Convert to fraction form
    379,268.58/568,902.69 = 113,022.30/x
  3. Step 3: Cross multiply
    379,268.58x = 568,902.69 × 113,022.30
  4. Step 4: Simplify right side
    379,268.58x = 64,298,690,499.99
  5. Step 5: Solve for x
    x = 64,298,690,499.99/379,268.58
  6. Step 6: Final answer
    x = 169,533.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.