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Finding the Fourth Proportional to 416,761.20, 624,220.20 and 167,314.80

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Solution

The fourth proportional to 416,761.20, 624,220.20 and 167,314.80 is: 250,602.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,761.20 : 624,220.20 = 167,314.80 : x
  2. Step 2: Convert to fraction form
    416,761.20/624,220.20 = 167,314.80/x
  3. Step 3: Cross multiply
    416,761.20x = 624,220.20 × 167,314.80
  4. Step 4: Simplify right side
    416,761.20x = 104,441,277,918.96
  5. Step 5: Solve for x
    x = 104,441,277,918.96/416,761.20
  6. Step 6: Final answer
    x = 250,602.21

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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.