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Finding the Fourth Proportional to 252,768.72, 379,008.36 and 202,940.80

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Solution

The fourth proportional to 252,768.72, 379,008.36 and 202,940.80 is: 304,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,768.72 : 379,008.36 = 202,940.80 : x
  2. Step 2: Convert to fraction form
    252,768.72/379,008.36 = 202,940.80/x
  3. Step 3: Cross multiply
    252,768.72x = 379,008.36 × 202,940.80
  4. Step 4: Simplify right side
    252,768.72x = 76,916,259,785.09
  5. Step 5: Solve for x
    x = 76,916,259,785.09/252,768.72
  6. Step 6: Final answer
    x = 304,295.01

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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.