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Finding the Fourth Proportional to 444,810.10, 667,301.55 and 192,090.10

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Solution

The fourth proportional to 444,810.10, 667,301.55 and 192,090.10 is: 288,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,810.10 : 667,301.55 = 192,090.10 : x
  2. Step 2: Convert to fraction form
    444,810.10/667,301.55 = 192,090.10/x
  3. Step 3: Cross multiply
    444,810.10x = 667,301.55 × 192,090.10
  4. Step 4: Simplify right side
    444,810.10x = 128,182,021,469.66
  5. Step 5: Solve for x
    x = 128,182,021,469.66/444,810.10
  6. Step 6: Final answer
    x = 288,172.46

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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.