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Finding the Fourth Proportional to 501,334.68, 751,992.30 and 122,256.84

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Solution

The fourth proportional to 501,334.68, 751,992.30 and 122,256.84 is: 183,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,334.68 : 751,992.30 = 122,256.84 : x
  2. Step 2: Convert to fraction form
    501,334.68/751,992.30 = 122,256.84/x
  3. Step 3: Cross multiply
    501,334.68x = 751,992.30 × 122,256.84
  4. Step 4: Simplify right side
    501,334.68x = 91,936,202,302.33
  5. Step 5: Solve for x
    x = 91,936,202,302.33/501,334.68
  6. Step 6: Final answer
    x = 183,382.89

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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.