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Finding the Fourth Proportional to 662,671.80, 994,007.70 and 484,212.60

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Solution

The fourth proportional to 662,671.80, 994,007.70 and 484,212.60 is: 726,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,671.80 : 994,007.70 = 484,212.60 : x
  2. Step 2: Convert to fraction form
    662,671.80/994,007.70 = 484,212.60/x
  3. Step 3: Cross multiply
    662,671.80x = 994,007.70 × 484,212.60
  4. Step 4: Simplify right side
    662,671.80x = 481,311,052,837.02
  5. Step 5: Solve for x
    x = 481,311,052,837.02/662,671.80
  6. Step 6: Final answer
    x = 726,318.90

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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.