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Finding the Fourth Proportional to 662,670.80, 994,006.20 and 484,211.60

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Solution

The fourth proportional to 662,670.80, 994,006.20 and 484,211.60 is: 726,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,670.80 : 994,006.20 = 484,211.60 : x
  2. Step 2: Convert to fraction form
    662,670.80/994,006.20 = 484,211.60/x
  3. Step 3: Cross multiply
    662,670.80x = 994,006.20 × 484,211.60
  4. Step 4: Simplify right side
    662,670.80x = 481,309,332,511.92
  5. Step 5: Solve for x
    x = 481,309,332,511.92/662,670.80
  6. Step 6: Final answer
    x = 726,317.40

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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.