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Finding the Fourth Proportional to 308,571.58, 462,857.38 and 130,954.04

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Solution

The fourth proportional to 308,571.58, 462,857.38 and 130,954.04 is: 196,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,571.58 : 462,857.38 = 130,954.04 : x
  2. Step 2: Convert to fraction form
    308,571.58/462,857.38 = 130,954.04/x
  3. Step 3: Cross multiply
    308,571.58x = 462,857.38 × 130,954.04
  4. Step 4: Simplify right side
    308,571.58x = 60,613,043,854.82
  5. Step 5: Solve for x
    x = 60,613,043,854.82/308,571.58
  6. Step 6: Final answer
    x = 196,431.06

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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.