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Finding the Fourth Proportional to 504,871.56, 756,796.32 and 327,491.28

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Solution

The fourth proportional to 504,871.56, 756,796.32 and 327,491.28 is: 490,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,871.56 : 756,796.32 = 327,491.28 : x
  2. Step 2: Convert to fraction form
    504,871.56/756,796.32 = 327,491.28/x
  3. Step 3: Cross multiply
    504,871.56x = 756,796.32 × 327,491.28
  4. Step 4: Simplify right side
    504,871.56x = 247,844,195,536.09
  5. Step 5: Solve for x
    x = 247,844,195,536.09/504,871.56
  6. Step 6: Final answer
    x = 490,905.44

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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.