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Finding the Fourth Proportional to 408,751.37, 613,219.33 and 124,467.35

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Solution

The fourth proportional to 408,751.37, 613,219.33 and 124,467.35 is: 186,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,751.37 : 613,219.33 = 124,467.35 : x
  2. Step 2: Convert to fraction form
    408,751.37/613,219.33 = 124,467.35/x
  3. Step 3: Cross multiply
    408,751.37x = 613,219.33 × 124,467.35
  4. Step 4: Simplify right side
    408,751.37x = 76,325,784,973.88
  5. Step 5: Solve for x
    x = 76,325,784,973.88/408,751.37
  6. Step 6: Final answer
    x = 186,729.12

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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.