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Finding the Fourth Proportional to 408,749.37, 613,216.33 and 124,465.35

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Solution

The fourth proportional to 408,749.37, 613,216.33 and 124,465.35 is: 186,726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,749.37 : 613,216.33 = 124,465.35 : x
  2. Step 2: Convert to fraction form
    408,749.37/613,216.33 = 124,465.35/x
  3. Step 3: Cross multiply
    408,749.37x = 613,216.33 × 124,465.35
  4. Step 4: Simplify right side
    408,749.37x = 76,324,182,528.44
  5. Step 5: Solve for x
    x = 76,324,182,528.44/408,749.37
  6. Step 6: Final answer
    x = 186,726.11

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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.