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Finding the Fourth Proportional to 503,233.20, 755,724.60 and 267,037.20

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Solution

The fourth proportional to 503,233.20, 755,724.60 and 267,037.20 is: 401,020.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,233.20 : 755,724.60 = 267,037.20 : x
  2. Step 2: Convert to fraction form
    503,233.20/755,724.60 = 267,037.20/x
  3. Step 3: Cross multiply
    503,233.20x = 755,724.60 × 267,037.20
  4. Step 4: Simplify right side
    503,233.20x = 201,806,581,155.12
  5. Step 5: Solve for x
    x = 201,806,581,155.12/503,233.20
  6. Step 6: Final answer
    x = 401,020.01

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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.