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Finding the Fourth Proportional to 458,519.20, 632,796.51 and 254,609.80

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Solution

The fourth proportional to 458,519.20, 632,796.51 and 254,609.80 is: 351,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,519.20 : 632,796.51 = 254,609.80 : x
  2. Step 2: Convert to fraction form
    458,519.20/632,796.51 = 254,609.80/x
  3. Step 3: Cross multiply
    458,519.20x = 632,796.51 × 254,609.80
  4. Step 4: Simplify right side
    458,519.20x = 161,116,192,851.80
  5. Step 5: Solve for x
    x = 161,116,192,851.80/458,519.20
  6. Step 6: Final answer
    x = 351,383.74

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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.