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Finding the Fourth Proportional to 467,278.20, 701,090.10 and 449,998.20

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Solution

The fourth proportional to 467,278.20, 701,090.10 and 449,998.20 is: 675,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,278.20 : 701,090.10 = 449,998.20 : x
  2. Step 2: Convert to fraction form
    467,278.20/701,090.10 = 449,998.20/x
  3. Step 3: Cross multiply
    467,278.20x = 701,090.10 × 449,998.20
  4. Step 4: Simplify right side
    467,278.20x = 315,489,283,037.82
  5. Step 5: Solve for x
    x = 315,489,283,037.82/467,278.20
  6. Step 6: Final answer
    x = 675,163.71

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1.5x scale

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.