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Finding the Fourth Proportional to 338,991.33, 467,803.80 and 195,748.23

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Solution

The fourth proportional to 338,991.33, 467,803.80 and 195,748.23 is: 270,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,991.33 : 467,803.80 = 195,748.23 : x
  2. Step 2: Convert to fraction form
    338,991.33/467,803.80 = 195,748.23/x
  3. Step 3: Cross multiply
    338,991.33x = 467,803.80 × 195,748.23
  4. Step 4: Simplify right side
    338,991.33x = 91,571,765,837.27
  5. Step 5: Solve for x
    x = 91,571,765,837.27/338,991.33
  6. Step 6: Final answer
    x = 270,130.11

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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.