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Finding the Fourth Proportional to 323,464.80, 485,067.60 and 112,994.40

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Solution

The fourth proportional to 323,464.80, 485,067.60 and 112,994.40 is: 169,446.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,464.80 : 485,067.60 = 112,994.40 : x
  2. Step 2: Convert to fraction form
    323,464.80/485,067.60 = 112,994.40/x
  3. Step 3: Cross multiply
    323,464.80x = 485,067.60 × 112,994.40
  4. Step 4: Simplify right side
    323,464.80x = 54,809,922,421.44
  5. Step 5: Solve for x
    x = 54,809,922,421.44/323,464.80
  6. Step 6: Final answer
    x = 169,446.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.