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Finding the Fourth Proportional to 446,685.77, 670,054.19 and 126,812.62

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Solution

The fourth proportional to 446,685.77, 670,054.19 and 126,812.62 is: 190,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,685.77 : 670,054.19 = 126,812.62 : x
  2. Step 2: Convert to fraction form
    446,685.77/670,054.19 = 126,812.62/x
  3. Step 3: Cross multiply
    446,685.77x = 670,054.19 × 126,812.62
  4. Step 4: Simplify right side
    446,685.77x = 84,971,327,375.88
  5. Step 5: Solve for x
    x = 84,971,327,375.88/446,685.77
  6. Step 6: Final answer
    x = 190,226.18

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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.