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Finding the Fourth Proportional to 500,891.32, 751,383.30 and 181,123

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Solution

The fourth proportional to 500,891.32, 751,383.30 and 181,123 is: 271,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,891.32 : 751,383.30 = 181,123 : x
  2. Step 2: Convert to fraction form
    500,891.32/751,383.30 = 181,123/x
  3. Step 3: Cross multiply
    500,891.32x = 751,383.30 × 181,123
  4. Step 4: Simplify right side
    500,891.32x = 136,092,797,445.90
  5. Step 5: Solve for x
    x = 136,092,797,445.90/500,891.32
  6. Step 6: Final answer
    x = 271,701.25

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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.