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Finding the Fourth Proportional to 366,961.80, 549,924.30 and 271,446.60

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Solution

The fourth proportional to 366,961.80, 549,924.30 and 271,446.60 is: 406,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,961.80 : 549,924.30 = 271,446.60 : x
  2. Step 2: Convert to fraction form
    366,961.80/549,924.30 = 271,446.60/x
  3. Step 3: Cross multiply
    366,961.80x = 549,924.30 × 271,446.60
  4. Step 4: Simplify right side
    366,961.80x = 149,275,081,492.38
  5. Step 5: Solve for x
    x = 149,275,081,492.38/366,961.80
  6. Step 6: Final answer
    x = 406,786.43

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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.