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Finding the Fourth Proportional to 481,025.67, 663,770.22 and 325,660.92

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Solution

The fourth proportional to 481,025.67, 663,770.22 and 325,660.92 is: 449,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,025.67 : 663,770.22 = 325,660.92 : x
  2. Step 2: Convert to fraction form
    481,025.67/663,770.22 = 325,660.92/x
  3. Step 3: Cross multiply
    481,025.67x = 663,770.22 × 325,660.92
  4. Step 4: Simplify right side
    481,025.67x = 216,164,020,513.80
  5. Step 5: Solve for x
    x = 216,164,020,513.80/481,025.67
  6. Step 6: Final answer
    x = 449,381.47

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.