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Finding the Fourth Proportional to 299,713.80, 449,560.33 and 75,076.17

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Solution

The fourth proportional to 299,713.80, 449,560.33 and 75,076.17 is: 112,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,713.80 : 449,560.33 = 75,076.17 : x
  2. Step 2: Convert to fraction form
    299,713.80/449,560.33 = 75,076.17/x
  3. Step 3: Cross multiply
    299,713.80x = 449,560.33 × 75,076.17
  4. Step 4: Simplify right side
    299,713.80x = 33,751,265,886.79
  5. Step 5: Solve for x
    x = 33,751,265,886.79/299,713.80
  6. Step 6: Final answer
    x = 112,611.65

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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.