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Finding the Fourth Proportional to 339,706.80, 468,821.52 and 203,745.96

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Solution

The fourth proportional to 339,706.80, 468,821.52 and 203,745.96 is: 281,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,706.80 : 468,821.52 = 203,745.96 : x
  2. Step 2: Convert to fraction form
    339,706.80/468,821.52 = 203,745.96/x
  3. Step 3: Cross multiply
    339,706.80x = 468,821.52 × 203,745.96
  4. Step 4: Simplify right side
    339,706.80x = 95,520,490,661.06
  5. Step 5: Solve for x
    x = 95,520,490,661.06/339,706.80
  6. Step 6: Final answer
    x = 281,185.10

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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.