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Finding the Fourth Proportional to 446,682.26, 670,048.93 and 126,809.11

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Solution

The fourth proportional to 446,682.26, 670,048.93 and 126,809.11 is: 190,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,682.26 : 670,048.93 = 126,809.11 : x
  2. Step 2: Convert to fraction form
    446,682.26/670,048.93 = 126,809.11/x
  3. Step 3: Cross multiply
    446,682.26x = 670,048.93 × 126,809.11
  4. Step 4: Simplify right side
    446,682.26x = 84,968,306,953.14
  5. Step 5: Solve for x
    x = 84,968,306,953.14/446,682.26
  6. Step 6: Final answer
    x = 190,220.91

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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.