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Finding the Fourth Proportional to 395,622.08, 594,213.60 and 339,917.12

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Solution

The fourth proportional to 395,622.08, 594,213.60 and 339,917.12 is: 510,546.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,622.08 : 594,213.60 = 339,917.12 : x
  2. Step 2: Convert to fraction form
    395,622.08/594,213.60 = 339,917.12/x
  3. Step 3: Cross multiply
    395,622.08x = 594,213.60 × 339,917.12
  4. Step 4: Simplify right side
    395,622.08x = 201,983,375,576.83
  5. Step 5: Solve for x
    x = 201,983,375,576.83/395,622.08
  6. Step 6: Final answer
    x = 510,546.27

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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.