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Finding the Fourth Proportional to 196,453.80, 294,243.30 and 170,209.80

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Solution

The fourth proportional to 196,453.80, 294,243.30 and 170,209.80 is: 254,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,453.80 : 294,243.30 = 170,209.80 : x
  2. Step 2: Convert to fraction form
    196,453.80/294,243.30 = 170,209.80/x
  3. Step 3: Cross multiply
    196,453.80x = 294,243.30 × 170,209.80
  4. Step 4: Simplify right side
    196,453.80x = 50,083,093,244.34
  5. Step 5: Solve for x
    x = 50,083,093,244.34/196,453.80
  6. Step 6: Final answer
    x = 254,935.73

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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.