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Finding the Fourth Proportional to 627,594.68, 866,086.38 and 341,115.46

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Solution

The fourth proportional to 627,594.68, 866,086.38 and 341,115.46 is: 470,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,594.68 : 866,086.38 = 341,115.46 : x
  2. Step 2: Convert to fraction form
    627,594.68/866,086.38 = 341,115.46/x
  3. Step 3: Cross multiply
    627,594.68x = 866,086.38 × 341,115.46
  4. Step 4: Simplify right side
    627,594.68x = 295,435,453,913.44
  5. Step 5: Solve for x
    x = 295,435,453,913.44/627,594.68
  6. Step 6: Final answer
    x = 470,742.44

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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.