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Finding the Fourth Proportional to 503,579.20, 756,243.60 and 267,383.20

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Solution

The fourth proportional to 503,579.20, 756,243.60 and 267,383.20 is: 401,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,579.20 : 756,243.60 = 267,383.20 : x
  2. Step 2: Convert to fraction form
    503,579.20/756,243.60 = 267,383.20/x
  3. Step 3: Cross multiply
    503,579.20x = 756,243.60 × 267,383.20
  4. Step 4: Simplify right side
    503,579.20x = 202,206,833,747.52
  5. Step 5: Solve for x
    x = 202,206,833,747.52/503,579.20
  6. Step 6: Final answer
    x = 401,539.29

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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.