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Finding the Fourth Proportional to 450,791.94, 622,065.36 and 246,845.28

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Solution

The fourth proportional to 450,791.94, 622,065.36 and 246,845.28 is: 340,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,791.94 : 622,065.36 = 246,845.28 : x
  2. Step 2: Convert to fraction form
    450,791.94/622,065.36 = 246,845.28/x
  3. Step 3: Cross multiply
    450,791.94x = 622,065.36 × 246,845.28
  4. Step 4: Simplify right side
    450,791.94x = 153,553,897,967.50
  5. Step 5: Solve for x
    x = 153,553,897,967.50/450,791.94
  6. Step 6: Final answer
    x = 340,631.42

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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.