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Finding the Fourth Proportional to 269,741.20, 404,158.20 and 213,365.20

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Solution

The fourth proportional to 269,741.20, 404,158.20 and 213,365.20 is: 319,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,741.20 : 404,158.20 = 213,365.20 : x
  2. Step 2: Convert to fraction form
    269,741.20/404,158.20 = 213,365.20/x
  3. Step 3: Cross multiply
    269,741.20x = 404,158.20 × 213,365.20
  4. Step 4: Simplify right side
    269,741.20x = 86,233,295,174.64
  5. Step 5: Solve for x
    x = 86,233,295,174.64/269,741.20
  6. Step 6: Final answer
    x = 319,689.00

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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.