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Finding the Fourth Proportional to 504,790.68, 756,674.82 and 327,410.28

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Solution

The fourth proportional to 504,790.68, 756,674.82 and 327,410.28 is: 490,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,790.68 : 756,674.82 = 327,410.28 : x
  2. Step 2: Convert to fraction form
    504,790.68/756,674.82 = 327,410.28/x
  3. Step 3: Cross multiply
    504,790.68x = 756,674.82 × 327,410.28
  4. Step 4: Simplify right side
    504,790.68x = 247,743,114,685.15
  5. Step 5: Solve for x
    x = 247,743,114,685.15/504,790.68
  6. Step 6: Final answer
    x = 490,783.85

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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.