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Finding the Fourth Proportional to 396,800.96, 547,500.13 and 235,710.32

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Solution

The fourth proportional to 396,800.96, 547,500.13 and 235,710.32 is: 325,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,800.96 : 547,500.13 = 235,710.32 : x
  2. Step 2: Convert to fraction form
    396,800.96/547,500.13 = 235,710.32/x
  3. Step 3: Cross multiply
    396,800.96x = 547,500.13 × 235,710.32
  4. Step 4: Simplify right side
    396,800.96x = 129,051,426,926.29
  5. Step 5: Solve for x
    x = 129,051,426,926.29/396,800.96
  6. Step 6: Final answer
    x = 325,229.63

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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.