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Finding the Fourth Proportional to 737,215.98, 1,105,700.42 and 204,790.82

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Solution

The fourth proportional to 737,215.98, 1,105,700.42 and 204,790.82 is: 307,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,215.98 : 1,105,700.42 = 204,790.82 : x
  2. Step 2: Convert to fraction form
    737,215.98/1,105,700.42 = 204,790.82/x
  3. Step 3: Cross multiply
    737,215.98x = 1,105,700.42 × 204,790.82
  4. Step 4: Simplify right side
    737,215.98x = 226,437,295,686.14
  5. Step 5: Solve for x
    x = 226,437,295,686.14/737,215.98
  6. Step 6: Final answer
    x = 307,151.91

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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.