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Finding the Fourth Proportional to 458,620.73, 632,875.31 and 254,684.57

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Solution

The fourth proportional to 458,620.73, 632,875.31 and 254,684.57 is: 351,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,620.73 : 632,875.31 = 254,684.57 : x
  2. Step 2: Convert to fraction form
    458,620.73/632,875.31 = 254,684.57/x
  3. Step 3: Cross multiply
    458,620.73x = 632,875.31 × 254,684.57
  4. Step 4: Simplify right side
    458,620.73x = 161,183,576,190.97
  5. Step 5: Solve for x
    x = 161,183,576,190.97/458,620.73
  6. Step 6: Final answer
    x = 351,452.88

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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.