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Finding the Fourth Proportional to 308,352.39, 425,597.40 and 200,734.98

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Solution

The fourth proportional to 308,352.39, 425,597.40 and 200,734.98 is: 277,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,352.39 : 425,597.40 = 200,734.98 : x
  2. Step 2: Convert to fraction form
    308,352.39/425,597.40 = 200,734.98/x
  3. Step 3: Cross multiply
    308,352.39x = 425,597.40 × 200,734.98
  4. Step 4: Simplify right side
    308,352.39x = 85,432,285,577.05
  5. Step 5: Solve for x
    x = 85,432,285,577.05/308,352.39
  6. Step 6: Final answer
    x = 277,060.56

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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.