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Finding the Fourth Proportional to 449,683.89, 620,562.46 and 245,736.06

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Solution

The fourth proportional to 449,683.89, 620,562.46 and 245,736.06 is: 339,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,683.89 : 620,562.46 = 245,736.06 : x
  2. Step 2: Convert to fraction form
    449,683.89/620,562.46 = 245,736.06/x
  3. Step 3: Cross multiply
    449,683.89x = 620,562.46 × 245,736.06
  4. Step 4: Simplify right side
    449,683.89x = 152,494,573,289.97
  5. Step 5: Solve for x
    x = 152,494,573,289.97/449,683.89
  6. Step 6: Final answer
    x = 339,115.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.