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Finding the Fourth Proportional to 453,816.60, 680,943.60 and 320,409.60

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Solution

The fourth proportional to 453,816.60, 680,943.60 and 320,409.60 is: 480,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,816.60 : 680,943.60 = 320,409.60 : x
  2. Step 2: Convert to fraction form
    453,816.60/680,943.60 = 320,409.60/x
  3. Step 3: Cross multiply
    453,816.60x = 680,943.60 × 320,409.60
  4. Step 4: Simplify right side
    453,816.60x = 218,180,866,498.56
  5. Step 5: Solve for x
    x = 218,180,866,498.56/453,816.60
  6. Step 6: Final answer
    x = 480,768.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.