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Finding the Fourth Proportional to 450,129.60, 675,296.80 and 263,044.80

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Solution

The fourth proportional to 450,129.60, 675,296.80 and 263,044.80 is: 394,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,129.60 : 675,296.80 = 263,044.80 : x
  2. Step 2: Convert to fraction form
    450,129.60/675,296.80 = 263,044.80/x
  3. Step 3: Cross multiply
    450,129.60x = 675,296.80 × 263,044.80
  4. Step 4: Simplify right side
    450,129.60x = 177,633,311,696.64
  5. Step 5: Solve for x
    x = 177,633,311,696.64/450,129.60
  6. Step 6: Final answer
    x = 394,627.04

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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.