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Finding the Fourth Proportional to 590,208.50, 814,487.73 and 321,936.50

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Solution

The fourth proportional to 590,208.50, 814,487.73 and 321,936.50 is: 444,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,208.50 : 814,487.73 = 321,936.50 : x
  2. Step 2: Convert to fraction form
    590,208.50/814,487.73 = 321,936.50/x
  3. Step 3: Cross multiply
    590,208.50x = 814,487.73 × 321,936.50
  4. Step 4: Simplify right side
    590,208.50x = 262,213,329,089.15
  5. Step 5: Solve for x
    x = 262,213,329,089.15/590,208.50
  6. Step 6: Final answer
    x = 444,272.37

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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.