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Finding the Fourth Proportional to 404,793.80, 606,704.70 and 168,014.60

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Solution

The fourth proportional to 404,793.80, 606,704.70 and 168,014.60 is: 251,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,793.80 : 606,704.70 = 168,014.60 : x
  2. Step 2: Convert to fraction form
    404,793.80/606,704.70 = 168,014.60/x
  3. Step 3: Cross multiply
    404,793.80x = 606,704.70 × 168,014.60
  4. Step 4: Simplify right side
    404,793.80x = 101,935,247,488.62
  5. Step 5: Solve for x
    x = 101,935,247,488.62/404,793.80
  6. Step 6: Final answer
    x = 251,820.18

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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.