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Finding the Fourth Proportional to 204,480.44, 306,722.60 and 127,566.80

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Solution

The fourth proportional to 204,480.44, 306,722.60 and 127,566.80 is: 191,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,480.44 : 306,722.60 = 127,566.80 : x
  2. Step 2: Convert to fraction form
    204,480.44/306,722.60 = 127,566.80/x
  3. Step 3: Cross multiply
    204,480.44x = 306,722.60 × 127,566.80
  4. Step 4: Simplify right side
    204,480.44x = 39,127,618,398.23
  5. Step 5: Solve for x
    x = 39,127,618,398.23/204,480.44
  6. Step 6: Final answer
    x = 191,351.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.