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Finding the Fourth Proportional to 398,798.89, 550,067.57 and 237,528.97

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Solution

The fourth proportional to 398,798.89, 550,067.57 and 237,528.97 is: 327,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,798.89 : 550,067.57 = 237,528.97 : x
  2. Step 2: Convert to fraction form
    398,798.89/550,067.57 = 237,528.97/x
  3. Step 3: Cross multiply
    398,798.89x = 550,067.57 × 237,528.97
  4. Step 4: Simplify right side
    398,798.89x = 130,656,982,144.86
  5. Step 5: Solve for x
    x = 130,656,982,144.86/398,798.89
  6. Step 6: Final answer
    x = 327,626.24

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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.