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Finding the Fourth Proportional to 367,771.04, 550,628.74 and 198,685.56

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Solution

The fourth proportional to 367,771.04, 550,628.74 and 198,685.56 is: 297,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,771.04 : 550,628.74 = 198,685.56 : x
  2. Step 2: Convert to fraction form
    367,771.04/550,628.74 = 198,685.56/x
  3. Step 3: Cross multiply
    367,771.04x = 550,628.74 × 198,685.56
  4. Step 4: Simplify right side
    367,771.04x = 109,401,981,872.21
  5. Step 5: Solve for x
    x = 109,401,981,872.21/367,771.04
  6. Step 6: Final answer
    x = 297,473.08

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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.