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Finding the Fourth Proportional to 397,652.44, 548,775.48 and 227,919.32

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Solution

The fourth proportional to 397,652.44, 548,775.48 and 227,919.32 is: 314,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,652.44 : 548,775.48 = 227,919.32 : x
  2. Step 2: Convert to fraction form
    397,652.44/548,775.48 = 227,919.32/x
  3. Step 3: Cross multiply
    397,652.44x = 548,775.48 × 227,919.32
  4. Step 4: Simplify right side
    397,652.44x = 125,076,534,234.27
  5. Step 5: Solve for x
    x = 125,076,534,234.27/397,652.44
  6. Step 6: Final answer
    x = 314,537.32

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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.