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Finding the Fourth Proportional to 217,067.80, 325,601.70 and 197,714.20

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Solution

The fourth proportional to 217,067.80, 325,601.70 and 197,714.20 is: 296,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,067.80 : 325,601.70 = 197,714.20 : x
  2. Step 2: Convert to fraction form
    217,067.80/325,601.70 = 197,714.20/x
  3. Step 3: Cross multiply
    217,067.80x = 325,601.70 × 197,714.20
  4. Step 4: Simplify right side
    217,067.80x = 64,376,079,634.14
  5. Step 5: Solve for x
    x = 64,376,079,634.14/217,067.80
  6. Step 6: Final answer
    x = 296,571.30

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1.5x scale

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.