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Finding the Fourth Proportional to 269,458.68, 404,453.92 and 143,098.56

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Solution

The fourth proportional to 269,458.68, 404,453.92 and 143,098.56 is: 214,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,458.68 : 404,453.92 = 143,098.56 : x
  2. Step 2: Convert to fraction form
    269,458.68/404,453.92 = 143,098.56/x
  3. Step 3: Cross multiply
    269,458.68x = 404,453.92 × 143,098.56
  4. Step 4: Simplify right side
    269,458.68x = 57,876,773,538.36
  5. Step 5: Solve for x
    x = 57,876,773,538.36/269,458.68
  6. Step 6: Final answer
    x = 214,789.05

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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.