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Finding the Fourth Proportional to 552,132.40, 828,198.60 and 328,183.60

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Solution

The fourth proportional to 552,132.40, 828,198.60 and 328,183.60 is: 492,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,132.40 : 828,198.60 = 328,183.60 : x
  2. Step 2: Convert to fraction form
    552,132.40/828,198.60 = 328,183.60/x
  3. Step 3: Cross multiply
    552,132.40x = 828,198.60 × 328,183.60
  4. Step 4: Simplify right side
    552,132.40x = 271,801,198,062.96
  5. Step 5: Solve for x
    x = 271,801,198,062.96/552,132.40
  6. Step 6: Final answer
    x = 492,275.40

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Similar ratio
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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.