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Finding the Fourth Proportional to 449,387.22, 673,855.02 and 149,762.82

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Solution

The fourth proportional to 449,387.22, 673,855.02 and 149,762.82 is: 224,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,387.22 : 673,855.02 = 149,762.82 : x
  2. Step 2: Convert to fraction form
    449,387.22/673,855.02 = 149,762.82/x
  3. Step 3: Cross multiply
    449,387.22x = 673,855.02 × 149,762.82
  4. Step 4: Simplify right side
    449,387.22x = 100,918,428,066.36
  5. Step 5: Solve for x
    x = 100,918,428,066.36/449,387.22
  6. Step 6: Final answer
    x = 224,568.98

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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.