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Finding the Fourth Proportional to 411,679.55, 568,105.57 and 227,926.30

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Solution

The fourth proportional to 411,679.55, 568,105.57 and 227,926.30 is: 314,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,679.55 : 568,105.57 = 227,926.30 : x
  2. Step 2: Convert to fraction form
    411,679.55/568,105.57 = 227,926.30/x
  3. Step 3: Cross multiply
    411,679.55x = 568,105.57 × 227,926.30
  4. Step 4: Simplify right side
    411,679.55x = 129,486,200,579.49
  5. Step 5: Solve for x
    x = 129,486,200,579.49/411,679.55
  6. Step 6: Final answer
    x = 314,531.53

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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.