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Finding the Fourth Proportional to 500,883.48, 751,305.78 and 201,274.20

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Solution

The fourth proportional to 500,883.48, 751,305.78 and 201,274.20 is: 301,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,883.48 : 751,305.78 = 201,274.20 : x
  2. Step 2: Convert to fraction form
    500,883.48/751,305.78 = 201,274.20/x
  3. Step 3: Cross multiply
    500,883.48x = 751,305.78 × 201,274.20
  4. Step 4: Simplify right side
    500,883.48x = 151,218,469,824.88
  5. Step 5: Solve for x
    x = 151,218,469,824.88/500,883.48
  6. Step 6: Final answer
    x = 301,903.49

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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.