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Finding the Fourth Proportional to 332,152.70, 498,229.05 and 219,959.60

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Solution

The fourth proportional to 332,152.70, 498,229.05 and 219,959.60 is: 329,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,152.70 : 498,229.05 = 219,959.60 : x
  2. Step 2: Convert to fraction form
    332,152.70/498,229.05 = 219,959.60/x
  3. Step 3: Cross multiply
    332,152.70x = 498,229.05 × 219,959.60
  4. Step 4: Simplify right side
    332,152.70x = 109,590,262,546.38
  5. Step 5: Solve for x
    x = 109,590,262,546.38/332,152.70
  6. Step 6: Final answer
    x = 329,939.40

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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.