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Finding the Fourth Proportional to 447,732.90, 670,615.20 and 269,929.80

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Solution

The fourth proportional to 447,732.90, 670,615.20 and 269,929.80 is: 404,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,732.90 : 670,615.20 = 269,929.80 : x
  2. Step 2: Convert to fraction form
    447,732.90/670,615.20 = 269,929.80/x
  3. Step 3: Cross multiply
    447,732.90x = 670,615.20 × 269,929.80
  4. Step 4: Simplify right side
    447,732.90x = 181,019,026,812.96
  5. Step 5: Solve for x
    x = 181,019,026,812.96/447,732.90
  6. Step 6: Final answer
    x = 404,301.37

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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.