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Finding the Fourth Proportional to 300,628.60, 414,764.48 and 171,474.27

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Solution

The fourth proportional to 300,628.60, 414,764.48 and 171,474.27 is: 236,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,628.60 : 414,764.48 = 171,474.27 : x
  2. Step 2: Convert to fraction form
    300,628.60/414,764.48 = 171,474.27/x
  3. Step 3: Cross multiply
    300,628.60x = 414,764.48 × 171,474.27
  4. Step 4: Simplify right side
    300,628.60x = 71,121,435,303.25
  5. Step 5: Solve for x
    x = 71,121,435,303.25/300,628.60
  6. Step 6: Final answer
    x = 236,575.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.