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Finding the Fourth Proportional to 271,613.30, 408,034.35 and 188,669.30

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Solution

The fourth proportional to 271,613.30, 408,034.35 and 188,669.30 is: 283,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,613.30 : 408,034.35 = 188,669.30 : x
  2. Step 2: Convert to fraction form
    271,613.30/408,034.35 = 188,669.30/x
  3. Step 3: Cross multiply
    271,613.30x = 408,034.35 × 188,669.30
  4. Step 4: Simplify right side
    271,613.30x = 76,983,555,190.46
  5. Step 5: Solve for x
    x = 76,983,555,190.46/271,613.30
  6. Step 6: Final answer
    x = 283,430.73

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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.