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Finding the Fourth Proportional to 410,660.60, 614,954.10 and 327,716.60

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Solution

The fourth proportional to 410,660.60, 614,954.10 and 327,716.60 is: 490,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,660.60 : 614,954.10 = 327,716.60 : x
  2. Step 2: Convert to fraction form
    410,660.60/614,954.10 = 327,716.60/x
  3. Step 3: Cross multiply
    410,660.60x = 614,954.10 × 327,716.60
  4. Step 4: Simplify right side
    410,660.60x = 201,530,666,808.06
  5. Step 5: Solve for x
    x = 201,530,666,808.06/410,660.60
  6. Step 6: Final answer
    x = 490,747.51

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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.