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Finding the Fourth Proportional to 504,912.17, 757,283.87 and 167,988.42

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Solution

The fourth proportional to 504,912.17, 757,283.87 and 167,988.42 is: 251,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,912.17 : 757,283.87 = 167,988.42 : x
  2. Step 2: Convert to fraction form
    504,912.17/757,283.87 = 167,988.42/x
  3. Step 3: Cross multiply
    504,912.17x = 757,283.87 × 167,988.42
  4. Step 4: Simplify right side
    504,912.17x = 127,214,919,972.84
  5. Step 5: Solve for x
    x = 127,214,919,972.84/504,912.17
  6. Step 6: Final answer
    x = 251,954.56

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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.