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Finding the Fourth Proportional to 341,611.02, 512,460.27 and 131,221.62

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Solution

The fourth proportional to 341,611.02, 512,460.27 and 131,221.62 is: 196,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,611.02 : 512,460.27 = 131,221.62 : x
  2. Step 2: Convert to fraction form
    341,611.02/512,460.27 = 131,221.62/x
  3. Step 3: Cross multiply
    341,611.02x = 512,460.27 × 131,221.62
  4. Step 4: Simplify right side
    341,611.02x = 67,245,866,815.04
  5. Step 5: Solve for x
    x = 67,245,866,815.04/341,611.02
  6. Step 6: Final answer
    x = 196,849.23

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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.