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Finding the Fourth Proportional to 416,765.20, 624,226.20 and 167,318.80

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Solution

The fourth proportional to 416,765.20, 624,226.20 and 167,318.80 is: 250,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,765.20 : 624,226.20 = 167,318.80 : x
  2. Step 2: Convert to fraction form
    416,765.20/624,226.20 = 167,318.80/x
  3. Step 3: Cross multiply
    416,765.20x = 624,226.20 × 167,318.80
  4. Step 4: Simplify right side
    416,765.20x = 104,444,778,712.56
  5. Step 5: Solve for x
    x = 104,444,778,712.56/416,765.20
  6. Step 6: Final answer
    x = 250,608.21

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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.