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Finding the Fourth Proportional to 269,955.72, 404,645.94 and 203,189.40

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Solution

The fourth proportional to 269,955.72, 404,645.94 and 203,189.40 is: 304,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,955.72 : 404,645.94 = 203,189.40 : x
  2. Step 2: Convert to fraction form
    269,955.72/404,645.94 = 203,189.40/x
  3. Step 3: Cross multiply
    269,955.72x = 404,645.94 × 203,189.40
  4. Step 4: Simplify right side
    269,955.72x = 82,219,765,761.04
  5. Step 5: Solve for x
    x = 82,219,765,761.04/269,955.72
  6. Step 6: Final answer
    x = 304,567.60

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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.