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Finding the Fourth Proportional to 737,215.72, 1,105,700.05 and 204,790.57

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Solution

The fourth proportional to 737,215.72, 1,105,700.05 and 204,790.57 is: 307,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,215.72 : 1,105,700.05 = 204,790.57 : x
  2. Step 2: Convert to fraction form
    737,215.72/1,105,700.05 = 204,790.57/x
  3. Step 3: Cross multiply
    737,215.72x = 1,105,700.05 × 204,790.57
  4. Step 4: Simplify right side
    737,215.72x = 226,436,943,488.53
  5. Step 5: Solve for x
    x = 226,436,943,488.53/737,215.72
  6. Step 6: Final answer
    x = 307,151.54

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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.