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Finding the Fourth Proportional to 397,635.44, 548,752.08 and 227,902.40

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Solution

The fourth proportional to 397,635.44, 548,752.08 and 227,902.40 is: 314,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,635.44 : 548,752.08 = 227,902.40 : x
  2. Step 2: Convert to fraction form
    397,635.44/548,752.08 = 227,902.40/x
  3. Step 3: Cross multiply
    397,635.44x = 548,752.08 × 227,902.40
  4. Step 4: Simplify right side
    397,635.44x = 125,061,916,036.99
  5. Step 5: Solve for x
    x = 125,061,916,036.99/397,635.44
  6. Step 6: Final answer
    x = 314,514.01

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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.