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Finding the Fourth Proportional to 317,453.07, 476,194.20 and 80,797.80

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Solution

The fourth proportional to 317,453.07, 476,194.20 and 80,797.80 is: 121,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,453.07 : 476,194.20 = 80,797.80 : x
  2. Step 2: Convert to fraction form
    317,453.07/476,194.20 = 80,797.80/x
  3. Step 3: Cross multiply
    317,453.07x = 476,194.20 × 80,797.80
  4. Step 4: Simplify right side
    317,453.07x = 38,475,443,732.76
  5. Step 5: Solve for x
    x = 38,475,443,732.76/317,453.07
  6. Step 6: Final answer
    x = 121,200.41

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1.5x scale

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.