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Finding the Fourth Proportional to 883,608.75, 1,219,380.08 and 481,200.75

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Solution

The fourth proportional to 883,608.75, 1,219,380.08 and 481,200.75 is: 664,057.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,608.75 : 1,219,380.08 = 481,200.75 : x
  2. Step 2: Convert to fraction form
    883,608.75/1,219,380.08 = 481,200.75/x
  3. Step 3: Cross multiply
    883,608.75x = 1,219,380.08 × 481,200.75
  4. Step 4: Simplify right side
    883,608.75x = 586,766,606,625.06
  5. Step 5: Solve for x
    x = 586,766,606,625.06/883,608.75
  6. Step 6: Final answer
    x = 664,057.04

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Half scale
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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.