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Finding the Fourth Proportional to 574,644.48, 861,967.20 and 180,660.48

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Solution

The fourth proportional to 574,644.48, 861,967.20 and 180,660.48 is: 270,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,644.48 : 861,967.20 = 180,660.48 : x
  2. Step 2: Convert to fraction form
    574,644.48/861,967.20 = 180,660.48/x
  3. Step 3: Cross multiply
    574,644.48x = 861,967.20 × 180,660.48
  4. Step 4: Simplify right side
    574,644.48x = 155,723,408,096.26
  5. Step 5: Solve for x
    x = 155,723,408,096.26/574,644.48
  6. Step 6: Final answer
    x = 270,990.87

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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.