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Finding the Fourth Proportional to 609,604.47, 914,997.20 and 294,282.81

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Solution

The fourth proportional to 609,604.47, 914,997.20 and 294,282.81 is: 441,709.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,604.47 : 914,997.20 = 294,282.81 : x
  2. Step 2: Convert to fraction form
    609,604.47/914,997.20 = 294,282.81/x
  3. Step 3: Cross multiply
    609,604.47x = 914,997.20 × 294,282.81
  4. Step 4: Simplify right side
    609,604.47x = 269,267,945,686.72
  5. Step 5: Solve for x
    x = 269,267,945,686.72/609,604.47
  6. Step 6: Final answer
    x = 441,709.27

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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.