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Finding the Fourth Proportional to 453,451.60, 680,177.40 and 204,619.60

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Solution

The fourth proportional to 453,451.60, 680,177.40 and 204,619.60 is: 306,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,451.60 : 680,177.40 = 204,619.60 : x
  2. Step 2: Convert to fraction form
    453,451.60/680,177.40 = 204,619.60/x
  3. Step 3: Cross multiply
    453,451.60x = 680,177.40 × 204,619.60
  4. Step 4: Simplify right side
    453,451.60x = 139,177,627,517.04
  5. Step 5: Solve for x
    x = 139,177,627,517.04/453,451.60
  6. Step 6: Final answer
    x = 306,929.40

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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.