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Finding the Fourth Proportional to 304,455.30, 456,812.55 and 192,221.70

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Solution

The fourth proportional to 304,455.30, 456,812.55 and 192,221.70 is: 288,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,455.30 : 456,812.55 = 192,221.70 : x
  2. Step 2: Convert to fraction form
    304,455.30/456,812.55 = 192,221.70/x
  3. Step 3: Cross multiply
    304,455.30x = 456,812.55 × 192,221.70
  4. Step 4: Simplify right side
    304,455.30x = 87,809,284,942.34
  5. Step 5: Solve for x
    x = 87,809,284,942.34/304,455.30
  6. Step 6: Final answer
    x = 288,414.37

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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.