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Finding the Fourth Proportional to 591,883.48, 816,786.90 and 323,611.48

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Solution

The fourth proportional to 591,883.48, 816,786.90 and 323,611.48 is: 446,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,883.48 : 816,786.90 = 323,611.48 : x
  2. Step 2: Convert to fraction form
    591,883.48/816,786.90 = 323,611.48/x
  3. Step 3: Cross multiply
    591,883.48x = 816,786.90 × 323,611.48
  4. Step 4: Simplify right side
    591,883.48x = 264,321,617,553.61
  5. Step 5: Solve for x
    x = 264,321,617,553.61/591,883.48
  6. Step 6: Final answer
    x = 446,577.12

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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.