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Finding the Fourth Proportional to 396,832.94, 547,633.90 and 233,525.55

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Solution

The fourth proportional to 396,832.94, 547,633.90 and 233,525.55 is: 322,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,832.94 : 547,633.90 = 233,525.55 : x
  2. Step 2: Convert to fraction form
    396,832.94/547,633.90 = 233,525.55/x
  3. Step 3: Cross multiply
    396,832.94x = 547,633.90 × 233,525.55
  4. Step 4: Simplify right side
    396,832.94x = 127,886,509,165.96
  5. Step 5: Solve for x
    x = 127,886,509,165.96/396,832.94
  6. Step 6: Final answer
    x = 322,267.88

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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.