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Finding the Fourth Proportional to 326,487.74, 450,531.10 and 181,286.06

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Solution

The fourth proportional to 326,487.74, 450,531.10 and 181,286.06 is: 250,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,487.74 : 450,531.10 = 181,286.06 : x
  2. Step 2: Convert to fraction form
    326,487.74/450,531.10 = 181,286.06/x
  3. Step 3: Cross multiply
    326,487.74x = 450,531.10 × 181,286.06
  4. Step 4: Simplify right side
    326,487.74x = 81,675,008,026.47
  5. Step 5: Solve for x
    x = 81,675,008,026.47/326,487.74
  6. Step 6: Final answer
    x = 250,162.56

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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.