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Finding the Fourth Proportional to 250,707.44, 345,991.56 and 165,676.88

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Solution

The fourth proportional to 250,707.44, 345,991.56 and 165,676.88 is: 228,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,707.44 : 345,991.56 = 165,676.88 : x
  2. Step 2: Convert to fraction form
    250,707.44/345,991.56 = 165,676.88/x
  3. Step 3: Cross multiply
    250,707.44x = 345,991.56 × 165,676.88
  4. Step 4: Simplify right side
    250,707.44x = 57,322,802,167.13
  5. Step 5: Solve for x
    x = 57,322,802,167.13/250,707.44
  6. Step 6: Final answer
    x = 228,644.20

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1.5x scale

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.