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Finding the Fourth Proportional to 270,037.10, 404,675.31 and 206,611.67

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Solution

The fourth proportional to 270,037.10, 404,675.31 and 206,611.67 is: 309,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,037.10 : 404,675.31 = 206,611.67 : x
  2. Step 2: Convert to fraction form
    270,037.10/404,675.31 = 206,611.67/x
  3. Step 3: Cross multiply
    270,037.10x = 404,675.31 × 206,611.67
  4. Step 4: Simplify right side
    270,037.10x = 83,610,641,606.87
  5. Step 5: Solve for x
    x = 83,610,641,606.87/270,037.10
  6. Step 6: Final answer
    x = 309,626.50

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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.