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Finding the Fourth Proportional to 322,725.88, 445,373.94 and 179,496.22

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Solution

The fourth proportional to 322,725.88, 445,373.94 and 179,496.22 is: 247,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,725.88 : 445,373.94 = 179,496.22 : x
  2. Step 2: Convert to fraction form
    322,725.88/445,373.94 = 179,496.22/x
  3. Step 3: Cross multiply
    322,725.88x = 445,373.94 × 179,496.22
  4. Step 4: Simplify right side
    322,725.88x = 79,942,938,716.51
  5. Step 5: Solve for x
    x = 79,942,938,716.51/322,725.88
  6. Step 6: Final answer
    x = 247,711.58

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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.