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Finding the Fourth Proportional to 481,919.85, 665,053.25 and 267,063.48

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Solution

The fourth proportional to 481,919.85, 665,053.25 and 267,063.48 is: 368,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,919.85 : 665,053.25 = 267,063.48 : x
  2. Step 2: Convert to fraction form
    481,919.85/665,053.25 = 267,063.48/x
  3. Step 3: Cross multiply
    481,919.85x = 665,053.25 × 267,063.48
  4. Step 4: Simplify right side
    481,919.85x = 177,611,433,994.99
  5. Step 5: Solve for x
    x = 177,611,433,994.99/481,919.85
  6. Step 6: Final answer
    x = 368,549.74

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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.