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Finding the Fourth Proportional to 322,806.26, 445,476.03 and 177,613.93

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Solution

The fourth proportional to 322,806.26, 445,476.03 and 177,613.93 is: 245,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,806.26 : 445,476.03 = 177,613.93 : x
  2. Step 2: Convert to fraction form
    322,806.26/445,476.03 = 177,613.93/x
  3. Step 3: Cross multiply
    322,806.26x = 445,476.03 × 177,613.93
  4. Step 4: Simplify right side
    322,806.26x = 79,122,747,295.41
  5. Step 5: Solve for x
    x = 79,122,747,295.41/322,806.26
  6. Step 6: Final answer
    x = 245,109.09

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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.