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Finding the Fourth Proportional to 458,620.23, 632,874.62 and 254,684.07

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Solution

The fourth proportional to 458,620.23, 632,874.62 and 254,684.07 is: 351,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,620.23 : 632,874.62 = 254,684.07 : x
  2. Step 2: Convert to fraction form
    458,620.23/632,874.62 = 254,684.07/x
  3. Step 3: Cross multiply
    458,620.23x = 632,874.62 × 254,684.07
  4. Step 4: Simplify right side
    458,620.23x = 161,183,084,021.30
  5. Step 5: Solve for x
    x = 161,183,084,021.30/458,620.23
  6. Step 6: Final answer
    x = 351,452.19

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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.