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Finding the Fourth Proportional to 481,664.40, 722,496.60 and 452,139.90

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Solution

The fourth proportional to 481,664.40, 722,496.60 and 452,139.90 is: 678,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,664.40 : 722,496.60 = 452,139.90 : x
  2. Step 2: Convert to fraction form
    481,664.40/722,496.60 = 452,139.90/x
  3. Step 3: Cross multiply
    481,664.40x = 722,496.60 × 452,139.90
  4. Step 4: Simplify right side
    481,664.40x = 326,669,540,474.34
  5. Step 5: Solve for x
    x = 326,669,540,474.34/481,664.40
  6. Step 6: Final answer
    x = 678,209.85

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Similar ratio
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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.