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Finding the Fourth Proportional to 504,789.68, 756,673.32 and 327,409.28

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Solution

The fourth proportional to 504,789.68, 756,673.32 and 327,409.28 is: 490,782.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,789.68 : 756,673.32 = 327,409.28 : x
  2. Step 2: Convert to fraction form
    504,789.68/756,673.32 = 327,409.28/x
  3. Step 3: Cross multiply
    504,789.68x = 756,673.32 × 327,409.28
  4. Step 4: Simplify right side
    504,789.68x = 247,741,866,896.41
  5. Step 5: Solve for x
    x = 247,741,866,896.41/504,789.68
  6. Step 6: Final answer
    x = 490,782.35

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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.