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Finding the Fourth Proportional to 504,759.25, 756,975.11 and 167,709.40

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Solution

The fourth proportional to 504,759.25, 756,975.11 and 167,709.40 is: 251,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,759.25 : 756,975.11 = 167,709.40 : x
  2. Step 2: Convert to fraction form
    504,759.25/756,975.11 = 167,709.40/x
  3. Step 3: Cross multiply
    504,759.25x = 756,975.11 × 167,709.40
  4. Step 4: Simplify right side
    504,759.25x = 126,951,843,040.03
  5. Step 5: Solve for x
    x = 126,951,843,040.03/504,759.25
  6. Step 6: Final answer
    x = 251,509.69

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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.