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Finding the Fourth Proportional to 396,246.53, 546,820.20 and 226,484.30

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Solution

The fourth proportional to 396,246.53, 546,820.20 and 226,484.30 is: 312,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,246.53 : 546,820.20 = 226,484.30 : x
  2. Step 2: Convert to fraction form
    396,246.53/546,820.20 = 226,484.30/x
  3. Step 3: Cross multiply
    396,246.53x = 546,820.20 × 226,484.30
  4. Step 4: Simplify right side
    396,246.53x = 123,846,187,488.76
  5. Step 5: Solve for x
    x = 123,846,187,488.76/396,246.53
  6. Step 6: Final answer
    x = 312,548.32

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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.