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Finding the Fourth Proportional to 438,912.27, 605,698.98 and 237,708.27

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Solution

The fourth proportional to 438,912.27, 605,698.98 and 237,708.27 is: 328,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,912.27 : 605,698.98 = 237,708.27 : x
  2. Step 2: Convert to fraction form
    438,912.27/605,698.98 = 237,708.27/x
  3. Step 3: Cross multiply
    438,912.27x = 605,698.98 × 237,708.27
  4. Step 4: Simplify right side
    438,912.27x = 143,979,656,676.57
  5. Step 5: Solve for x
    x = 143,979,656,676.57/438,912.27
  6. Step 6: Final answer
    x = 328,037.44

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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.