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Finding the Fourth Proportional to 503,487.20, 756,105.60 and 267,291.20

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Solution

The fourth proportional to 503,487.20, 756,105.60 and 267,291.20 is: 401,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,487.20 : 756,105.60 = 267,291.20 : x
  2. Step 2: Convert to fraction form
    503,487.20/756,105.60 = 267,291.20/x
  3. Step 3: Cross multiply
    503,487.20x = 756,105.60 × 267,291.20
  4. Step 4: Simplify right side
    503,487.20x = 202,100,373,150.72
  5. Step 5: Solve for x
    x = 202,100,373,150.72/503,487.20
  6. Step 6: Final answer
    x = 401,401.21

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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.