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Finding the Fourth Proportional to 392,920.44, 588,887.22 and 168,016.68

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Solution

The fourth proportional to 392,920.44, 588,887.22 and 168,016.68 is: 251,814.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,920.44 : 588,887.22 = 168,016.68 : x
  2. Step 2: Convert to fraction form
    392,920.44/588,887.22 = 168,016.68/x
  3. Step 3: Cross multiply
    392,920.44x = 588,887.22 × 168,016.68
  4. Step 4: Simplify right side
    392,920.44x = 98,942,875,598.83
  5. Step 5: Solve for x
    x = 98,942,875,598.83/392,920.44
  6. Step 6: Final answer
    x = 251,814.02

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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.