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Finding the Fourth Proportional to 458,847.60, 633,310.96 and 254,968.56

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Solution

The fourth proportional to 458,847.60, 633,310.96 and 254,968.56 is: 351,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,847.60 : 633,310.96 = 254,968.56 : x
  2. Step 2: Convert to fraction form
    458,847.60/633,310.96 = 254,968.56/x
  3. Step 3: Cross multiply
    458,847.60x = 633,310.96 × 254,968.56
  4. Step 4: Simplify right side
    458,847.60x = 161,474,383,503.42
  5. Step 5: Solve for x
    x = 161,474,383,503.42/458,847.60
  6. Step 6: Final answer
    x = 351,912.89

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Why These Related Problems?

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