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Finding the Fourth Proportional to 412,801.56, 619,202.88 and 113,286.24

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Solution

The fourth proportional to 412,801.56, 619,202.88 and 113,286.24 is: 169,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,801.56 : 619,202.88 = 113,286.24 : x
  2. Step 2: Convert to fraction form
    412,801.56/619,202.88 = 113,286.24/x
  3. Step 3: Cross multiply
    412,801.56x = 619,202.88 × 113,286.24
  4. Step 4: Simplify right side
    412,801.56x = 70,147,166,072.37
  5. Step 5: Solve for x
    x = 70,147,166,072.37/412,801.56
  6. Step 6: Final answer
    x = 169,929.51

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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.