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Finding the Fourth Proportional to 322,794.36, 445,438.53 and 177,597.39

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Solution

The fourth proportional to 322,794.36, 445,438.53 and 177,597.39 is: 245,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,794.36 : 445,438.53 = 177,597.39 : x
  2. Step 2: Convert to fraction form
    322,794.36/445,438.53 = 177,597.39/x
  3. Step 3: Cross multiply
    322,794.36x = 445,438.53 × 177,597.39
  4. Step 4: Simplify right side
    322,794.36x = 79,108,720,333.44
  5. Step 5: Solve for x
    x = 79,108,720,333.44/322,794.36
  6. Step 6: Final answer
    x = 245,074.67

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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.