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Finding the Fourth Proportional to 339,287.38, 468,274.17 and 196,130.41

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Solution

The fourth proportional to 339,287.38, 468,274.17 and 196,130.41 is: 270,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,287.38 : 468,274.17 = 196,130.41 : x
  2. Step 2: Convert to fraction form
    339,287.38/468,274.17 = 196,130.41/x
  3. Step 3: Cross multiply
    339,287.38x = 468,274.17 × 196,130.41
  4. Step 4: Simplify right side
    339,287.38x = 91,842,804,954.51
  5. Step 5: Solve for x
    x = 91,842,804,954.51/339,287.38
  6. Step 6: Final answer
    x = 270,693.25

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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.