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Finding the Fourth Proportional to 396,522.76, 547,163.22 and 235,349.32

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Solution

The fourth proportional to 396,522.76, 547,163.22 and 235,349.32 is: 324,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,522.76 : 547,163.22 = 235,349.32 : x
  2. Step 2: Convert to fraction form
    396,522.76/547,163.22 = 235,349.32/x
  3. Step 3: Cross multiply
    396,522.76x = 547,163.22 × 235,349.32
  4. Step 4: Simplify right side
    396,522.76x = 128,774,491,756.01
  5. Step 5: Solve for x
    x = 128,774,491,756.01/396,522.76
  6. Step 6: Final answer
    x = 324,759.40

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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.