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Finding the Fourth Proportional to 665,355.80, 998,033.70 and 244,544.60

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Solution

The fourth proportional to 665,355.80, 998,033.70 and 244,544.60 is: 366,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,355.80 : 998,033.70 = 244,544.60 : x
  2. Step 2: Convert to fraction form
    665,355.80/998,033.70 = 244,544.60/x
  3. Step 3: Cross multiply
    665,355.80x = 998,033.70 × 244,544.60
  4. Step 4: Simplify right side
    665,355.80x = 244,063,751,953.02
  5. Step 5: Solve for x
    x = 244,063,751,953.02/665,355.80
  6. Step 6: Final answer
    x = 366,816.90

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.