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Finding the Fourth Proportional to 504,774.08, 756,997.28 and 167,724.21

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Solution

The fourth proportional to 504,774.08, 756,997.28 and 167,724.21 is: 251,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,774.08 : 756,997.28 = 167,724.21 : x
  2. Step 2: Convert to fraction form
    504,774.08/756,997.28 = 167,724.21/x
  3. Step 3: Cross multiply
    504,774.08x = 756,997.28 × 167,724.21
  4. Step 4: Simplify right side
    504,774.08x = 126,966,770,760.15
  5. Step 5: Solve for x
    x = 126,966,770,760.15/504,774.08
  6. Step 6: Final answer
    x = 251,531.87

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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.