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Finding the Fourth Proportional to 397,479.22, 548,520.93 and 227,714.02

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Solution

The fourth proportional to 397,479.22, 548,520.93 and 227,714.02 is: 314,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,479.22 : 548,520.93 = 227,714.02 : x
  2. Step 2: Convert to fraction form
    397,479.22/548,520.93 = 227,714.02/x
  3. Step 3: Cross multiply
    397,479.22x = 548,520.93 × 227,714.02
  4. Step 4: Simplify right side
    397,479.22x = 124,905,906,024.44
  5. Step 5: Solve for x
    x = 124,905,906,024.44/397,479.22
  6. Step 6: Final answer
    x = 314,245.12

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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.