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Finding the Fourth Proportional to 332,959.20, 499,438.80 and 327,429.60

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Solution

The fourth proportional to 332,959.20, 499,438.80 and 327,429.60 is: 491,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,959.20 : 499,438.80 = 327,429.60 : x
  2. Step 2: Convert to fraction form
    332,959.20/499,438.80 = 327,429.60/x
  3. Step 3: Cross multiply
    332,959.20x = 499,438.80 × 327,429.60
  4. Step 4: Simplify right side
    332,959.20x = 163,531,046,508.48
  5. Step 5: Solve for x
    x = 163,531,046,508.48/332,959.20
  6. Step 6: Final answer
    x = 491,144.40

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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.