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Finding the Fourth Proportional to 382,999.37, 573,961.31 and 302,684.22

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Solution

The fourth proportional to 382,999.37, 573,961.31 and 302,684.22 is: 453,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,999.37 : 573,961.31 = 302,684.22 : x
  2. Step 2: Convert to fraction form
    382,999.37/573,961.31 = 302,684.22/x
  3. Step 3: Cross multiply
    382,999.37x = 573,961.31 × 302,684.22
  4. Step 4: Simplify right side
    382,999.37x = 173,729,033,619.14
  5. Step 5: Solve for x
    x = 173,729,033,619.14/382,999.37
  6. Step 6: Final answer
    x = 453,601.36

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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.