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Finding the Fourth Proportional to 627,589.32, 866,078.48 and 341,109.32

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Solution

The fourth proportional to 627,589.32, 866,078.48 and 341,109.32 is: 470,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,589.32 : 866,078.48 = 341,109.32 : x
  2. Step 2: Convert to fraction form
    627,589.32/866,078.48 = 341,109.32/x
  3. Step 3: Cross multiply
    627,589.32x = 866,078.48 × 341,109.32
  4. Step 4: Simplify right side
    627,589.32x = 295,427,441,379.43
  5. Step 5: Solve for x
    x = 295,427,441,379.43/627,589.32
  6. Step 6: Final answer
    x = 470,733.70

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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.