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Finding the Fourth Proportional to 274,858.32, 411,457.44 and 248,575.44

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Solution

The fourth proportional to 274,858.32, 411,457.44 and 248,575.44 is: 372,112.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,858.32 : 411,457.44 = 248,575.44 : x
  2. Step 2: Convert to fraction form
    274,858.32/411,457.44 = 248,575.44/x
  3. Step 3: Cross multiply
    274,858.32x = 411,457.44 × 248,575.44
  4. Step 4: Simplify right side
    274,858.32x = 102,278,214,189.27
  5. Step 5: Solve for x
    x = 102,278,214,189.27/274,858.32
  6. Step 6: Final answer
    x = 372,112.49

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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.