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Finding the Fourth Proportional to 307,663.20, 460,717.20 and 245,455.20

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Solution

The fourth proportional to 307,663.20, 460,717.20 and 245,455.20 is: 367,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,663.20 : 460,717.20 = 245,455.20 : x
  2. Step 2: Convert to fraction form
    307,663.20/460,717.20 = 245,455.20/x
  3. Step 3: Cross multiply
    307,663.20x = 460,717.20 × 245,455.20
  4. Step 4: Simplify right side
    307,663.20x = 113,085,432,469.44
  5. Step 5: Solve for x
    x = 113,085,432,469.44/307,663.20
  6. Step 6: Final answer
    x = 367,562.43

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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.