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Finding the Fourth Proportional to 341,446.60, 512,169.90 and 270,944.20

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Solution

The fourth proportional to 341,446.60, 512,169.90 and 270,944.20 is: 406,416.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,446.60 : 512,169.90 = 270,944.20 : x
  2. Step 2: Convert to fraction form
    341,446.60/512,169.90 = 270,944.20/x
  3. Step 3: Cross multiply
    341,446.60x = 512,169.90 × 270,944.20
  4. Step 4: Simplify right side
    341,446.60x = 138,769,463,819.58
  5. Step 5: Solve for x
    x = 138,769,463,819.58/341,446.60
  6. Step 6: Final answer
    x = 406,416.30

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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.