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Finding the Fourth Proportional to 361,614.80, 541,903.80 and 266,099.60

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Solution

The fourth proportional to 361,614.80, 541,903.80 and 266,099.60 is: 398,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,614.80 : 541,903.80 = 266,099.60 : x
  2. Step 2: Convert to fraction form
    361,614.80/541,903.80 = 266,099.60/x
  3. Step 3: Cross multiply
    361,614.80x = 541,903.80 × 266,099.60
  4. Step 4: Simplify right side
    361,614.80x = 144,200,384,418.48
  5. Step 5: Solve for x
    x = 144,200,384,418.48/361,614.80
  6. Step 6: Final answer
    x = 398,767.93

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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.