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Finding the Fourth Proportional to 323,838.98, 446,745.27 and 210,620.42

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Solution

The fourth proportional to 323,838.98, 446,745.27 and 210,620.42 is: 290,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,838.98 : 446,745.27 = 210,620.42 : x
  2. Step 2: Convert to fraction form
    323,838.98/446,745.27 = 210,620.42/x
  3. Step 3: Cross multiply
    323,838.98x = 446,745.27 × 210,620.42
  4. Step 4: Simplify right side
    323,838.98x = 94,093,676,400.41
  5. Step 5: Solve for x
    x = 94,093,676,400.41/323,838.98
  6. Step 6: Final answer
    x = 290,556.98

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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.