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Finding the Fourth Proportional to 262,835.20, 394,252.80 and 96,601.60

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Solution

The fourth proportional to 262,835.20, 394,252.80 and 96,601.60 is: 144,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,835.20 : 394,252.80 = 96,601.60 : x
  2. Step 2: Convert to fraction form
    262,835.20/394,252.80 = 96,601.60/x
  3. Step 3: Cross multiply
    262,835.20x = 394,252.80 × 96,601.60
  4. Step 4: Simplify right side
    262,835.20x = 38,085,451,284.48
  5. Step 5: Solve for x
    x = 38,085,451,284.48/262,835.20
  6. Step 6: Final answer
    x = 144,902.40

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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.