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Finding the Fourth Proportional to 627,543.23, 866,016.36 and 341,063.33

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Solution

The fourth proportional to 627,543.23, 866,016.36 and 341,063.33 is: 470,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,543.23 : 866,016.36 = 341,063.33 : x
  2. Step 2: Convert to fraction form
    627,543.23/866,016.36 = 341,063.33/x
  3. Step 3: Cross multiply
    627,543.23x = 866,016.36 × 341,063.33
  4. Step 4: Simplify right side
    627,543.23x = 295,366,419,246.00
  5. Step 5: Solve for x
    x = 295,366,419,246.00/627,543.23
  6. Step 6: Final answer
    x = 470,671.04

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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.