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Finding the Fourth Proportional to 339,643.80, 468,734.58 and 203,682.87

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Solution

The fourth proportional to 339,643.80, 468,734.58 and 203,682.87 is: 281,098.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,643.80 : 468,734.58 = 203,682.87 : x
  2. Step 2: Convert to fraction form
    339,643.80/468,734.58 = 203,682.87/x
  3. Step 3: Cross multiply
    339,643.80x = 468,734.58 × 203,682.87
  4. Step 4: Simplify right side
    339,643.80x = 95,473,204,522.64
  5. Step 5: Solve for x
    x = 95,473,204,522.64/339,643.80
  6. Step 6: Final answer
    x = 281,098.03

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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.