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Finding the Fourth Proportional to 627,591.30, 866,081.26 and 341,111.32

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Solution

The fourth proportional to 627,591.30, 866,081.26 and 341,111.32 is: 470,736.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,591.30 : 866,081.26 = 341,111.32 : x
  2. Step 2: Convert to fraction form
    627,591.30/866,081.26 = 341,111.32/x
  3. Step 3: Cross multiply
    627,591.30x = 866,081.26 × 341,111.32
  4. Step 4: Simplify right side
    627,591.30x = 295,430,121,825.86
  5. Step 5: Solve for x
    x = 295,430,121,825.86/627,591.30
  6. Step 6: Final answer
    x = 470,736.48

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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.