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Finding the Fourth Proportional to 345,797.46, 518,571.37 and 146,133.27

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Solution

The fourth proportional to 345,797.46, 518,571.37 and 146,133.27 is: 219,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,797.46 : 518,571.37 = 146,133.27 : x
  2. Step 2: Convert to fraction form
    345,797.46/518,571.37 = 146,133.27/x
  3. Step 3: Cross multiply
    345,797.46x = 518,571.37 × 146,133.27
  4. Step 4: Simplify right side
    345,797.46x = 75,780,530,026.48
  5. Step 5: Solve for x
    x = 75,780,530,026.48/345,797.46
  6. Step 6: Final answer
    x = 219,147.16

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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.