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Finding the Fourth Proportional to 479,167.13, 718,540.19 and 179,437.49

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Solution

The fourth proportional to 479,167.13, 718,540.19 and 179,437.49 is: 269,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,167.13 : 718,540.19 = 179,437.49 : x
  2. Step 2: Convert to fraction form
    479,167.13/718,540.19 = 179,437.49/x
  3. Step 3: Cross multiply
    479,167.13x = 718,540.19 × 179,437.49
  4. Step 4: Simplify right side
    479,167.13x = 128,933,043,667.84
  5. Step 5: Solve for x
    x = 128,933,043,667.84/479,167.13
  6. Step 6: Final answer
    x = 269,077.40

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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.