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Finding the Fourth Proportional to 367,494.59, 505,969.42 and 313,563.17

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Solution

The fourth proportional to 367,494.59, 505,969.42 and 313,563.17 is: 431,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,494.59 : 505,969.42 = 313,563.17 : x
  2. Step 2: Convert to fraction form
    367,494.59/505,969.42 = 313,563.17/x
  3. Step 3: Cross multiply
    367,494.59x = 505,969.42 × 313,563.17
  4. Step 4: Simplify right side
    367,494.59x = 158,653,375,258.26
  5. Step 5: Solve for x
    x = 158,653,375,258.26/367,494.59
  6. Step 6: Final answer
    x = 431,716.22

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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.