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Finding the Fourth Proportional to 419,766.68, 629,748.44 and 167,062.48

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Solution

The fourth proportional to 419,766.68, 629,748.44 and 167,062.48 is: 250,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,766.68 : 629,748.44 = 167,062.48 : x
  2. Step 2: Convert to fraction form
    419,766.68/629,748.44 = 167,062.48/x
  3. Step 3: Cross multiply
    419,766.68x = 629,748.44 × 167,062.48
  4. Step 4: Simplify right side
    419,766.68x = 105,207,336,162.53
  5. Step 5: Solve for x
    x = 105,207,336,162.53/419,766.68
  6. Step 6: Final answer
    x = 250,632.89

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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.