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Finding the Fourth Proportional to 308,268.03, 425,396.84 and 193,606.59

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Solution

The fourth proportional to 308,268.03, 425,396.84 and 193,606.59 is: 267,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,268.03 : 425,396.84 = 193,606.59 : x
  2. Step 2: Convert to fraction form
    308,268.03/425,396.84 = 193,606.59/x
  3. Step 3: Cross multiply
    308,268.03x = 425,396.84 × 193,606.59
  4. Step 4: Simplify right side
    308,268.03x = 82,359,630,621.14
  5. Step 5: Solve for x
    x = 82,359,630,621.14/308,268.03
  6. Step 6: Final answer
    x = 267,168.90

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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.