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Finding the Fourth Proportional to 448,689.30, 619,193.17 and 244,744.61

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Solution

The fourth proportional to 448,689.30, 619,193.17 and 244,744.61 is: 337,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,689.30 : 619,193.17 = 244,744.61 : x
  2. Step 2: Convert to fraction form
    448,689.30/619,193.17 = 244,744.61/x
  3. Step 3: Cross multiply
    448,689.30x = 619,193.17 × 244,744.61
  4. Step 4: Simplify right side
    448,689.30x = 151,544,190,906.31
  5. Step 5: Solve for x
    x = 151,544,190,906.31/448,689.30
  6. Step 6: Final answer
    x = 337,748.62

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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.