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Finding the Fourth Proportional to 454,675.88, 682,243.76 and 302,976.25

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Solution

The fourth proportional to 454,675.88, 682,243.76 and 302,976.25 is: 454,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,675.88 : 682,243.76 = 302,976.25 : x
  2. Step 2: Convert to fraction form
    454,675.88/682,243.76 = 302,976.25/x
  3. Step 3: Cross multiply
    454,675.88x = 682,243.76 × 302,976.25
  4. Step 4: Simplify right side
    454,675.88x = 206,703,655,042.53
  5. Step 5: Solve for x
    x = 206,703,655,042.53/454,675.88
  6. Step 6: Final answer
    x = 454,617.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.