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Finding the Fourth Proportional to 699,796.46, 965,478.39 and 424,243.17

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Solution

The fourth proportional to 699,796.46, 965,478.39 and 424,243.17 is: 585,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,796.46 : 965,478.39 = 424,243.17 : x
  2. Step 2: Convert to fraction form
    699,796.46/965,478.39 = 424,243.17/x
  3. Step 3: Cross multiply
    699,796.46x = 965,478.39 × 424,243.17
  4. Step 4: Simplify right side
    699,796.46x = 409,597,611,149.18
  5. Step 5: Solve for x
    x = 409,597,611,149.18/699,796.46
  6. Step 6: Final answer
    x = 585,309.63

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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.