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Finding the Fourth Proportional to 337,274.40, 505,846.80 and 100,624.80

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Solution

The fourth proportional to 337,274.40, 505,846.80 and 100,624.80 is: 150,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,274.40 : 505,846.80 = 100,624.80 : x
  2. Step 2: Convert to fraction form
    337,274.40/505,846.80 = 100,624.80/x
  3. Step 3: Cross multiply
    337,274.40x = 505,846.80 × 100,624.80
  4. Step 4: Simplify right side
    337,274.40x = 50,900,733,080.64
  5. Step 5: Solve for x
    x = 50,900,733,080.64/337,274.40
  6. Step 6: Final answer
    x = 150,917.87

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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.