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Finding the Fourth Proportional to 449,959.48, 675,270.82 and 213,301.24

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Solution

The fourth proportional to 449,959.48, 675,270.82 and 213,301.24 is: 320,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,959.48 : 675,270.82 = 213,301.24 : x
  2. Step 2: Convert to fraction form
    449,959.48/675,270.82 = 213,301.24/x
  3. Step 3: Cross multiply
    449,959.48x = 675,270.82 × 213,301.24
  4. Step 4: Simplify right side
    449,959.48x = 144,036,103,241.82
  5. Step 5: Solve for x
    x = 144,036,103,241.82/449,959.48
  6. Step 6: Final answer
    x = 320,109.05

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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.