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Finding the Fourth Proportional to 324,749.88, 448,120.62 and 188,759.16

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Solution

The fourth proportional to 324,749.88, 448,120.62 and 188,759.16 is: 260,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,749.88 : 448,120.62 = 188,759.16 : x
  2. Step 2: Convert to fraction form
    324,749.88/448,120.62 = 188,759.16/x
  3. Step 3: Cross multiply
    324,749.88x = 448,120.62 × 188,759.16
  4. Step 4: Simplify right side
    324,749.88x = 84,586,871,809.88
  5. Step 5: Solve for x
    x = 84,586,871,809.88/324,749.88
  6. Step 6: Final answer
    x = 260,467.75

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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.