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Finding the Fourth Proportional to 322,361.67, 482,877.99 and 188,837.15

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Solution

The fourth proportional to 322,361.67, 482,877.99 and 188,837.15 is: 282,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,361.67 : 482,877.99 = 188,837.15 : x
  2. Step 2: Convert to fraction form
    322,361.67/482,877.99 = 188,837.15/x
  3. Step 3: Cross multiply
    322,361.67x = 482,877.99 × 188,837.15
  4. Step 4: Simplify right side
    322,361.67x = 91,185,301,014.94
  5. Step 5: Solve for x
    x = 91,185,301,014.94/322,361.67
  6. Step 6: Final answer
    x = 282,866.45

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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.