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Finding the Fourth Proportional to 324,768.81, 448,178.19 and 179,578.33

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Solution

The fourth proportional to 324,768.81, 448,178.19 and 179,578.33 is: 247,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,768.81 : 448,178.19 = 179,578.33 : x
  2. Step 2: Convert to fraction form
    324,768.81/448,178.19 = 179,578.33/x
  3. Step 3: Cross multiply
    324,768.81x = 448,178.19 × 179,578.33
  4. Step 4: Simplify right side
    324,768.81x = 80,483,090,902.62
  5. Step 5: Solve for x
    x = 80,483,090,902.62/324,768.81
  6. Step 6: Final answer
    x = 247,816.57

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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.