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Finding the Fourth Proportional to 609,998.45, 841,049.57 and 494,951.31

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Solution

The fourth proportional to 609,998.45, 841,049.57 and 494,951.31 is: 682,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,998.45 : 841,049.57 = 494,951.31 : x
  2. Step 2: Convert to fraction form
    609,998.45/841,049.57 = 494,951.31/x
  3. Step 3: Cross multiply
    609,998.45x = 841,049.57 × 494,951.31
  4. Step 4: Simplify right side
    609,998.45x = 416,278,583,971.68
  5. Step 5: Solve for x
    x = 416,278,583,971.68/609,998.45
  6. Step 6: Final answer
    x = 682,425.65

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1.5x scale

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.