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Finding the Fourth Proportional to 627,591.30, 866,081.28 and 341,111.34

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Solution

The fourth proportional to 627,591.30, 866,081.28 and 341,111.34 is: 470,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,591.30 : 866,081.28 = 341,111.34 : x
  2. Step 2: Convert to fraction form
    627,591.30/866,081.28 = 341,111.34/x
  3. Step 3: Cross multiply
    627,591.30x = 866,081.28 × 341,111.34
  4. Step 4: Simplify right side
    627,591.30x = 295,430,145,969.72
  5. Step 5: Solve for x
    x = 295,430,145,969.72/627,591.30
  6. Step 6: Final answer
    x = 470,736.52

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1.5x scale

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.