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Finding the Fourth Proportional to 322,243.37, 483,361.98 and 195,918.49

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Solution

The fourth proportional to 322,243.37, 483,361.98 and 195,918.49 is: 293,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,243.37 : 483,361.98 = 195,918.49 : x
  2. Step 2: Convert to fraction form
    322,243.37/483,361.98 = 195,918.49/x
  3. Step 3: Cross multiply
    322,243.37x = 483,361.98 × 195,918.49
  4. Step 4: Simplify right side
    322,243.37x = 94,699,549,849.21
  5. Step 5: Solve for x
    x = 94,699,549,849.21/322,243.37
  6. Step 6: Final answer
    x = 293,875.87

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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.