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Finding the Fourth Proportional to 438,571.37, 605,228.31 and 237,367.37

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Solution

The fourth proportional to 438,571.37, 605,228.31 and 237,367.37 is: 327,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,571.37 : 605,228.31 = 237,367.37 : x
  2. Step 2: Convert to fraction form
    438,571.37/605,228.31 = 237,367.37/x
  3. Step 3: Cross multiply
    438,571.37x = 605,228.31 × 237,367.37
  4. Step 4: Simplify right side
    438,571.37x = 143,661,449,168.10
  5. Step 5: Solve for x
    x = 143,661,449,168.10/438,571.37
  6. Step 6: Final answer
    x = 327,566.87

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1.5x scale

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.