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Finding the Fourth Proportional to 1,795,672.49, 2,691,931.64 and 731,609.51

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Solution

The fourth proportional to 1,795,672.49, 2,691,931.64 and 731,609.51 is: 1,096,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,672.49 : 2,691,931.64 = 731,609.51 : x
  2. Step 2: Convert to fraction form
    1,795,672.49/2,691,931.64 = 731,609.51/x
  3. Step 3: Cross multiply
    1,795,672.49x = 2,691,931.64 × 731,609.51
  4. Step 4: Simplify right side
    1,795,672.49x = 1,969,442,770,976.19
  5. Step 5: Solve for x
    x = 1,969,442,770,976.19/1,795,672.49
  6. Step 6: Final answer
    x = 1,096,771.70

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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.