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Finding the Fourth Proportional to 271,618.60, 407,466.30 and 84,610.60

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Solution

The fourth proportional to 271,618.60, 407,466.30 and 84,610.60 is: 126,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,618.60 : 407,466.30 = 84,610.60 : x
  2. Step 2: Convert to fraction form
    271,618.60/407,466.30 = 84,610.60/x
  3. Step 3: Cross multiply
    271,618.60x = 407,466.30 × 84,610.60
  4. Step 4: Simplify right side
    271,618.60x = 34,475,968,122.78
  5. Step 5: Solve for x
    x = 34,475,968,122.78/271,618.60
  6. Step 6: Final answer
    x = 126,927.86

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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.