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Finding the Fourth Proportional to 481,649.35, 664,676.15 and 266,803.33

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Solution

The fourth proportional to 481,649.35, 664,676.15 and 266,803.33 is: 368,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,649.35 : 664,676.15 = 266,803.33 : x
  2. Step 2: Convert to fraction form
    481,649.35/664,676.15 = 266,803.33/x
  3. Step 3: Cross multiply
    481,649.35x = 664,676.15 × 266,803.33
  4. Step 4: Simplify right side
    481,649.35x = 177,337,810,191.58
  5. Step 5: Solve for x
    x = 177,337,810,191.58/481,649.35
  6. Step 6: Final answer
    x = 368,188.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.