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Finding the Fourth Proportional to 416,608.84, 624,945.66 and 136,154.44

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Solution

The fourth proportional to 416,608.84, 624,945.66 and 136,154.44 is: 204,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,608.84 : 624,945.66 = 136,154.44 : x
  2. Step 2: Convert to fraction form
    416,608.84/624,945.66 = 136,154.44/x
  3. Step 3: Cross multiply
    416,608.84x = 624,945.66 × 136,154.44
  4. Step 4: Simplify right side
    416,608.84x = 85,089,126,367.73
  5. Step 5: Solve for x
    x = 85,089,126,367.73/416,608.84
  6. Step 6: Final answer
    x = 204,242.25

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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.