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Finding the Fourth Proportional to 493,525.80, 739,251.90 and 271,650.60

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Solution

The fourth proportional to 493,525.80, 739,251.90 and 271,650.60 is: 406,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,525.80 : 739,251.90 = 271,650.60 : x
  2. Step 2: Convert to fraction form
    493,525.80/739,251.90 = 271,650.60/x
  3. Step 3: Cross multiply
    493,525.80x = 739,251.90 × 271,650.60
  4. Step 4: Simplify right side
    493,525.80x = 200,818,222,186.14
  5. Step 5: Solve for x
    x = 200,818,222,186.14/493,525.80
  6. Step 6: Final answer
    x = 406,905.22

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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.