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Finding the Fourth Proportional to 504,770.09, 756,991.28 and 167,720.22

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Solution

The fourth proportional to 504,770.09, 756,991.28 and 167,720.22 is: 251,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,770.09 : 756,991.28 = 167,720.22 : x
  2. Step 2: Convert to fraction form
    504,770.09/756,991.28 = 167,720.22/x
  3. Step 3: Cross multiply
    504,770.09x = 756,991.28 × 167,720.22
  4. Step 4: Simplify right side
    504,770.09x = 126,962,743,181.08
  5. Step 5: Solve for x
    x = 126,962,743,181.08/504,770.09
  6. Step 6: Final answer
    x = 251,525.89

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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.