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Finding the Fourth Proportional to 323,468.80, 485,073.60 and 112,998.40

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Solution

The fourth proportional to 323,468.80, 485,073.60 and 112,998.40 is: 169,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,468.80 : 485,073.60 = 112,998.40 : x
  2. Step 2: Convert to fraction form
    323,468.80/485,073.60 = 112,998.40/x
  3. Step 3: Cross multiply
    323,468.80x = 485,073.60 × 112,998.40
  4. Step 4: Simplify right side
    323,468.80x = 54,812,540,682.24
  5. Step 5: Solve for x
    x = 54,812,540,682.24/323,468.80
  6. Step 6: Final answer
    x = 169,452.33

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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.