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Finding the Fourth Proportional to 627,571.10, 866,054.86 and 341,091.20

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Solution

The fourth proportional to 627,571.10, 866,054.86 and 341,091.20 is: 470,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,571.10 : 866,054.86 = 341,091.20 : x
  2. Step 2: Convert to fraction form
    627,571.10/866,054.86 = 341,091.20/x
  3. Step 3: Cross multiply
    627,571.10x = 866,054.86 × 341,091.20
  4. Step 4: Simplify right side
    627,571.10x = 295,403,691,463.23
  5. Step 5: Solve for x
    x = 295,403,691,463.23/627,571.10
  6. Step 6: Final answer
    x = 470,709.52

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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.