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Finding the Fourth Proportional to 414,117.77, 621,190.42 and 114,573.22

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Solution

The fourth proportional to 414,117.77, 621,190.42 and 114,573.22 is: 171,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,117.77 : 621,190.42 = 114,573.22 : x
  2. Step 2: Convert to fraction form
    414,117.77/621,190.42 = 114,573.22/x
  3. Step 3: Cross multiply
    414,117.77x = 621,190.42 × 114,573.22
  4. Step 4: Simplify right side
    414,117.77x = 71,171,784,813.14
  5. Step 5: Solve for x
    x = 71,171,784,813.14/414,117.77
  6. Step 6: Final answer
    x = 171,863.64

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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.