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Finding the Fourth Proportional to 458,012.85, 632,067.88 and 254,057.15

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Solution

The fourth proportional to 458,012.85, 632,067.88 and 254,057.15 is: 350,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,012.85 : 632,067.88 = 254,057.15 : x
  2. Step 2: Convert to fraction form
    458,012.85/632,067.88 = 254,057.15/x
  3. Step 3: Cross multiply
    458,012.85x = 632,067.88 × 254,057.15
  4. Step 4: Simplify right side
    458,012.85x = 160,581,361,039.00
  5. Step 5: Solve for x
    x = 160,581,361,039.00/458,012.85
  6. Step 6: Final answer
    x = 350,604.49

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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.