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Finding the Fourth Proportional to 500,932.31, 751,398.41 and 220,449.56

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Solution

The fourth proportional to 500,932.31, 751,398.41 and 220,449.56 is: 330,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,932.31 : 751,398.41 = 220,449.56 : x
  2. Step 2: Convert to fraction form
    500,932.31/751,398.41 = 220,449.56/x
  3. Step 3: Cross multiply
    500,932.31x = 751,398.41 × 220,449.56
  4. Step 4: Simplify right side
    500,932.31x = 165,645,445,663.33
  5. Step 5: Solve for x
    x = 165,645,445,663.33/500,932.31
  6. Step 6: Final answer
    x = 330,674.31

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Double scale
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Similar ratio
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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.