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Finding the Fourth Proportional to 269,986.80, 404,785.80 and 151,694.40

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Solution

The fourth proportional to 269,986.80, 404,785.80 and 151,694.40 is: 227,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,986.80 : 404,785.80 = 151,694.40 : x
  2. Step 2: Convert to fraction form
    269,986.80/404,785.80 = 151,694.40/x
  3. Step 3: Cross multiply
    269,986.80x = 404,785.80 × 151,694.40
  4. Step 4: Simplify right side
    269,986.80x = 61,403,739,059.52
  5. Step 5: Solve for x
    x = 61,403,739,059.52/269,986.80
  6. Step 6: Final answer
    x = 227,432.37

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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.