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Finding the Fourth Proportional to 706,906.10, 1,060,359.15 and 629,491.70

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Solution

The fourth proportional to 706,906.10, 1,060,359.15 and 629,491.70 is: 944,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,906.10 : 1,060,359.15 = 629,491.70 : x
  2. Step 2: Convert to fraction form
    706,906.10/1,060,359.15 = 629,491.70/x
  3. Step 3: Cross multiply
    706,906.10x = 1,060,359.15 × 629,491.70
  4. Step 4: Simplify right side
    706,906.10x = 667,487,283,944.06
  5. Step 5: Solve for x
    x = 667,487,283,944.06/706,906.10
  6. Step 6: Final answer
    x = 944,237.55

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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.