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Finding the Fourth Proportional to 479,016.67, 718,524.96 and 268,671.01

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Solution

The fourth proportional to 479,016.67, 718,524.96 and 268,671.01 is: 403,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,016.67 : 718,524.96 = 268,671.01 : x
  2. Step 2: Convert to fraction form
    479,016.67/718,524.96 = 268,671.01/x
  3. Step 3: Cross multiply
    479,016.67x = 718,524.96 × 268,671.01
  4. Step 4: Simplify right side
    479,016.67x = 193,046,826,713.41
  5. Step 5: Solve for x
    x = 193,046,826,713.41/479,016.67
  6. Step 6: Final answer
    x = 403,006.49

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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.