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Finding the Fourth Proportional to 322,872.14, 445,552.37 and 177,664.35

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Solution

The fourth proportional to 322,872.14, 445,552.37 and 177,664.35 is: 245,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,872.14 : 445,552.37 = 177,664.35 : x
  2. Step 2: Convert to fraction form
    322,872.14/445,552.37 = 177,664.35/x
  3. Step 3: Cross multiply
    322,872.14x = 445,552.37 × 177,664.35
  4. Step 4: Simplify right side
    322,872.14x = 79,158,772,148.88
  5. Step 5: Solve for x
    x = 79,158,772,148.88/322,872.14
  6. Step 6: Final answer
    x = 245,170.65

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1.5x scale

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.