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Finding the Fourth Proportional to 332,383.20, 458,908.20 and 205,245.60

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Solution

The fourth proportional to 332,383.20, 458,908.20 and 205,245.60 is: 283,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,383.20 : 458,908.20 = 205,245.60 : x
  2. Step 2: Convert to fraction form
    332,383.20/458,908.20 = 205,245.60/x
  3. Step 3: Cross multiply
    332,383.20x = 458,908.20 × 205,245.60
  4. Step 4: Simplify right side
    332,383.20x = 94,188,888,853.92
  5. Step 5: Solve for x
    x = 94,188,888,853.92/332,383.20
  6. Step 6: Final answer
    x = 283,374.40

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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.