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Finding the Fourth Proportional to 269,651.63, 404,346.23 and 143,352.38

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Solution

The fourth proportional to 269,651.63, 404,346.23 and 143,352.38 is: 214,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,651.63 : 404,346.23 = 143,352.38 : x
  2. Step 2: Convert to fraction form
    269,651.63/404,346.23 = 143,352.38/x
  3. Step 3: Cross multiply
    269,651.63x = 404,346.23 × 143,352.38
  4. Step 4: Simplify right side
    269,651.63x = 57,963,995,246.20
  5. Step 5: Solve for x
    x = 57,963,995,246.20/269,651.63
  6. Step 6: Final answer
    x = 214,958.81

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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.