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Finding the Fourth Proportional to 332,199.40, 458,374.80 and 196,255.48

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Solution

The fourth proportional to 332,199.40, 458,374.80 and 196,255.48 is: 270,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,199.40 : 458,374.80 = 196,255.48 : x
  2. Step 2: Convert to fraction form
    332,199.40/458,374.80 = 196,255.48/x
  3. Step 3: Cross multiply
    332,199.40x = 458,374.80 × 196,255.48
  4. Step 4: Simplify right side
    332,199.40x = 89,958,566,393.90
  5. Step 5: Solve for x
    x = 89,958,566,393.90/332,199.40
  6. Step 6: Final answer
    x = 270,796.90

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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.