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Finding the Fourth Proportional to 479,606.82, 662,054.51 and 327,148.26

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Solution

The fourth proportional to 479,606.82, 662,054.51 and 327,148.26 is: 451,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,606.82 : 662,054.51 = 327,148.26 : x
  2. Step 2: Convert to fraction form
    479,606.82/662,054.51 = 327,148.26/x
  3. Step 3: Cross multiply
    479,606.82x = 662,054.51 × 327,148.26
  4. Step 4: Simplify right side
    479,606.82x = 216,589,979,335.91
  5. Step 5: Solve for x
    x = 216,589,979,335.91/479,606.82
  6. Step 6: Final answer
    x = 451,599.04

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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.