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Finding the Fourth Proportional to 504,774.40, 756,997.78 and 167,724.56

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Solution

The fourth proportional to 504,774.40, 756,997.78 and 167,724.56 is: 251,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,774.40 : 756,997.78 = 167,724.56 : x
  2. Step 2: Convert to fraction form
    504,774.40/756,997.78 = 167,724.56/x
  3. Step 3: Cross multiply
    504,774.40x = 756,997.78 × 167,724.56
  4. Step 4: Simplify right side
    504,774.40x = 126,967,119,571.48
  5. Step 5: Solve for x
    x = 126,967,119,571.48/504,774.40
  6. Step 6: Final answer
    x = 251,532.41

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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.