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Finding the Fourth Proportional to 263,458.34, 395,186.92 and 203,573.89

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Solution

The fourth proportional to 263,458.34, 395,186.92 and 203,573.89 is: 305,360.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,458.34 : 395,186.92 = 203,573.89 : x
  2. Step 2: Convert to fraction form
    263,458.34/395,186.92 = 203,573.89/x
  3. Step 3: Cross multiply
    263,458.34x = 395,186.92 × 203,573.89
  4. Step 4: Simplify right side
    263,458.34x = 80,449,737,563.65
  5. Step 5: Solve for x
    x = 80,449,737,563.65/263,458.34
  6. Step 6: Final answer
    x = 305,360.38

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1.5x scale

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.