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Finding the Fourth Proportional to 304,057.20, 419,582.52 and 168,083.04

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Solution

The fourth proportional to 304,057.20, 419,582.52 and 168,083.04 is: 231,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,057.20 : 419,582.52 = 168,083.04 : x
  2. Step 2: Convert to fraction form
    304,057.20/419,582.52 = 168,083.04/x
  3. Step 3: Cross multiply
    304,057.20x = 419,582.52 × 168,083.04
  4. Step 4: Simplify right side
    304,057.20x = 70,524,705,492.46
  5. Step 5: Solve for x
    x = 70,524,705,492.46/304,057.20
  6. Step 6: Final answer
    x = 231,945.52

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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.