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Finding the Fourth Proportional to 341,451.20, 512,176.80 and 323,080.40

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Solution

The fourth proportional to 341,451.20, 512,176.80 and 323,080.40 is: 484,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,451.20 : 512,176.80 = 323,080.40 : x
  2. Step 2: Convert to fraction form
    341,451.20/512,176.80 = 323,080.40/x
  3. Step 3: Cross multiply
    341,451.20x = 512,176.80 × 323,080.40
  4. Step 4: Simplify right side
    341,451.20x = 165,474,285,414.72
  5. Step 5: Solve for x
    x = 165,474,285,414.72/341,451.20
  6. Step 6: Final answer
    x = 484,620.60

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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.