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Finding the Fourth Proportional to 215,651.60, 323,520.60 and 180,832.40

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Solution

The fourth proportional to 215,651.60, 323,520.60 and 180,832.40 is: 271,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,651.60 : 323,520.60 = 180,832.40 : x
  2. Step 2: Convert to fraction form
    215,651.60/323,520.60 = 180,832.40/x
  3. Step 3: Cross multiply
    215,651.60x = 323,520.60 × 180,832.40
  4. Step 4: Simplify right side
    215,651.60x = 58,503,006,547.44
  5. Step 5: Solve for x
    x = 58,503,006,547.44/215,651.60
  6. Step 6: Final answer
    x = 271,284.82

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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.