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Finding the Fourth Proportional to 361,043.40, 541,910.70 and 308,512.20

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Solution

The fourth proportional to 361,043.40, 541,910.70 and 308,512.20 is: 463,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,043.40 : 541,910.70 = 308,512.20 : x
  2. Step 2: Convert to fraction form
    361,043.40/541,910.70 = 308,512.20/x
  3. Step 3: Cross multiply
    361,043.40x = 541,910.70 × 308,512.20
  4. Step 4: Simplify right side
    361,043.40x = 167,186,062,260.54
  5. Step 5: Solve for x
    x = 167,186,062,260.54/361,043.40
  6. Step 6: Final answer
    x = 463,063.62

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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.