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Finding the Fourth Proportional to 332,570.40, 498,855.60 and 327,321.60

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Solution

The fourth proportional to 332,570.40, 498,855.60 and 327,321.60 is: 490,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,570.40 : 498,855.60 = 327,321.60 : x
  2. Step 2: Convert to fraction form
    332,570.40/498,855.60 = 327,321.60/x
  3. Step 3: Cross multiply
    332,570.40x = 498,855.60 × 327,321.60
  4. Step 4: Simplify right side
    332,570.40x = 163,286,213,160.96
  5. Step 5: Solve for x
    x = 163,286,213,160.96/332,570.40
  6. Step 6: Final answer
    x = 490,982.40

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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.