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Finding the Fourth Proportional to 332,147.80, 498,221.70 and 225,859.60

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Solution

The fourth proportional to 332,147.80, 498,221.70 and 225,859.60 is: 338,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,147.80 : 498,221.70 = 225,859.60 : x
  2. Step 2: Convert to fraction form
    332,147.80/498,221.70 = 225,859.60/x
  3. Step 3: Cross multiply
    332,147.80x = 498,221.70 × 225,859.60
  4. Step 4: Simplify right side
    332,147.80x = 112,528,153,873.32
  5. Step 5: Solve for x
    x = 112,528,153,873.32/332,147.80
  6. Step 6: Final answer
    x = 338,789.40

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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.