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Finding the Fourth Proportional to 441,246.69, 661,760.69 and 125,706.33

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Solution

The fourth proportional to 441,246.69, 661,760.69 and 125,706.33 is: 188,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,246.69 : 661,760.69 = 125,706.33 : x
  2. Step 2: Convert to fraction form
    441,246.69/661,760.69 = 125,706.33/x
  3. Step 3: Cross multiply
    441,246.69x = 661,760.69 × 125,706.33
  4. Step 4: Simplify right side
    441,246.69x = 83,187,507,049.64
  5. Step 5: Solve for x
    x = 83,187,507,049.64/441,246.69
  6. Step 6: Final answer
    x = 188,528.34

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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.