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Finding the Fourth Proportional to 339,937.72, 509,964.90 and 182,123.80

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Solution

The fourth proportional to 339,937.72, 509,964.90 and 182,123.80 is: 273,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,937.72 : 509,964.90 = 182,123.80 : x
  2. Step 2: Convert to fraction form
    339,937.72/509,964.90 = 182,123.80/x
  3. Step 3: Cross multiply
    339,937.72x = 509,964.90 × 182,123.80
  4. Step 4: Simplify right side
    339,937.72x = 92,876,745,454.62
  5. Step 5: Solve for x
    x = 92,876,745,454.62/339,937.72
  6. Step 6: Final answer
    x = 273,216.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.