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Finding the Fourth Proportional to 436,067.70, 654,123.15 and 226,115.70

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Solution

The fourth proportional to 436,067.70, 654,123.15 and 226,115.70 is: 339,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,067.70 : 654,123.15 = 226,115.70 : x
  2. Step 2: Convert to fraction form
    436,067.70/654,123.15 = 226,115.70/x
  3. Step 3: Cross multiply
    436,067.70x = 654,123.15 × 226,115.70
  4. Step 4: Simplify right side
    436,067.70x = 147,907,513,948.46
  5. Step 5: Solve for x
    x = 147,907,513,948.46/436,067.70
  6. Step 6: Final answer
    x = 339,184.75

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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.