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Finding the Fourth Proportional to 618,993.91, 928,573.49 and 244,929.43

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Solution

The fourth proportional to 618,993.91, 928,573.49 and 244,929.43 is: 367,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,993.91 : 928,573.49 = 244,929.43 : x
  2. Step 2: Convert to fraction form
    618,993.91/928,573.49 = 244,929.43/x
  3. Step 3: Cross multiply
    618,993.91x = 928,573.49 × 244,929.43
  4. Step 4: Simplify right side
    618,993.91x = 227,434,975,618.81
  5. Step 5: Solve for x
    x = 227,434,975,618.81/618,993.91
  6. Step 6: Final answer
    x = 367,426.84

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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.