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Finding the Fourth Proportional to 299,938.60, 449,324.70 and 166,580.20

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Solution

The fourth proportional to 299,938.60, 449,324.70 and 166,580.20 is: 249,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,938.60 : 449,324.70 = 166,580.20 : x
  2. Step 2: Convert to fraction form
    299,938.60/449,324.70 = 166,580.20/x
  3. Step 3: Cross multiply
    299,938.60x = 449,324.70 × 166,580.20
  4. Step 4: Simplify right side
    299,938.60x = 74,848,598,390.94
  5. Step 5: Solve for x
    x = 74,848,598,390.94/299,938.60
  6. Step 6: Final answer
    x = 249,546.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.