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Finding the Fourth Proportional to 299,714.97, 449,562.08 and 75,077.34

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Solution

The fourth proportional to 299,714.97, 449,562.08 and 75,077.34 is: 112,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,714.97 : 449,562.08 = 75,077.34 : x
  2. Step 2: Convert to fraction form
    299,714.97/449,562.08 = 75,077.34/x
  3. Step 3: Cross multiply
    299,714.97x = 449,562.08 × 75,077.34
  4. Step 4: Simplify right side
    299,714.97x = 33,751,925,318.96
  5. Step 5: Solve for x
    x = 33,751,925,318.96/299,714.97
  6. Step 6: Final answer
    x = 112,613.41

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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.