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Finding the Fourth Proportional to 361,496.44, 541,651.74 and 256,127.32

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Solution

The fourth proportional to 361,496.44, 541,651.74 and 256,127.32 is: 383,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,496.44 : 541,651.74 = 256,127.32 : x
  2. Step 2: Convert to fraction form
    361,496.44/541,651.74 = 256,127.32/x
  3. Step 3: Cross multiply
    361,496.44x = 541,651.74 × 256,127.32
  4. Step 4: Simplify right side
    361,496.44x = 138,731,808,539.54
  5. Step 5: Solve for x
    x = 138,731,808,539.54/361,496.44
  6. Step 6: Final answer
    x = 383,770.88

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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.