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Finding the Fourth Proportional to 325,690.40, 449,452.40 and 182,451.45

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Solution

The fourth proportional to 325,690.40, 449,452.40 and 182,451.45 is: 251,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,690.40 : 449,452.40 = 182,451.45 : x
  2. Step 2: Convert to fraction form
    325,690.40/449,452.40 = 182,451.45/x
  3. Step 3: Cross multiply
    325,690.40x = 449,452.40 × 182,451.45
  4. Step 4: Simplify right side
    325,690.40x = 82,003,240,294.85
  5. Step 5: Solve for x
    x = 82,003,240,294.85/325,690.40
  6. Step 6: Final answer
    x = 251,782.80

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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.