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Finding the Fourth Proportional to 504,770.87, 756,992.54 and 167,721.05

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Solution

The fourth proportional to 504,770.87, 756,992.54 and 167,721.05 is: 251,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,770.87 : 756,992.54 = 167,721.05 : x
  2. Step 2: Convert to fraction form
    504,770.87/756,992.54 = 167,721.05/x
  3. Step 3: Cross multiply
    504,770.87x = 756,992.54 × 167,721.05
  4. Step 4: Simplify right side
    504,770.87x = 126,963,579,027.40
  5. Step 5: Solve for x
    x = 126,963,579,027.40/504,770.87
  6. Step 6: Final answer
    x = 251,527.15

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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.