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Finding the Fourth Proportional to 627,546.32, 866,019.60 and 341,067.08

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Solution

The fourth proportional to 627,546.32, 866,019.60 and 341,067.08 is: 470,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,546.32 : 866,019.60 = 341,067.08 : x
  2. Step 2: Convert to fraction form
    627,546.32/866,019.60 = 341,067.08/x
  3. Step 3: Cross multiply
    627,546.32x = 866,019.60 × 341,067.08
  4. Step 4: Simplify right side
    627,546.32x = 295,370,776,194.77
  5. Step 5: Solve for x
    x = 295,370,776,194.77/627,546.32
  6. Step 6: Final answer
    x = 470,675.66

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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.