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Finding the Fourth Proportional to 335,287.35, 462,687.80 and 199,321.56

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Solution

The fourth proportional to 335,287.35, 462,687.80 and 199,321.56 is: 275,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,287.35 : 462,687.80 = 199,321.56 : x
  2. Step 2: Convert to fraction form
    335,287.35/462,687.80 = 199,321.56/x
  3. Step 3: Cross multiply
    335,287.35x = 462,687.80 × 199,321.56
  4. Step 4: Simplify right side
    335,287.35x = 92,223,653,092.36
  5. Step 5: Solve for x
    x = 92,223,653,092.36/335,287.35
  6. Step 6: Final answer
    x = 275,058.55

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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.