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Finding the Fourth Proportional to 271,566.60, 407,349.90 and 171,183.30

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Solution

The fourth proportional to 271,566.60, 407,349.90 and 171,183.30 is: 256,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,566.60 : 407,349.90 = 171,183.30 : x
  2. Step 2: Convert to fraction form
    271,566.60/407,349.90 = 171,183.30/x
  3. Step 3: Cross multiply
    271,566.60x = 407,349.90 × 171,183.30
  4. Step 4: Simplify right side
    271,566.60x = 69,731,500,136.67
  5. Step 5: Solve for x
    x = 69,731,500,136.67/271,566.60
  6. Step 6: Final answer
    x = 256,774.95

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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.