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Finding the Fourth Proportional to 414,880.10, 622,004.25 and 190,304.36

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Solution

The fourth proportional to 414,880.10, 622,004.25 and 190,304.36 is: 285,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,880.10 : 622,004.25 = 190,304.36 : x
  2. Step 2: Convert to fraction form
    414,880.10/622,004.25 = 190,304.36/x
  3. Step 3: Cross multiply
    414,880.10x = 622,004.25 × 190,304.36
  4. Step 4: Simplify right side
    414,880.10x = 118,370,120,713.53
  5. Step 5: Solve for x
    x = 118,370,120,713.53/414,880.10
  6. Step 6: Final answer
    x = 285,311.64

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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.