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Finding the Fourth Proportional to 341,996.80, 512,995.20 and 337,331.20

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Solution

The fourth proportional to 341,996.80, 512,995.20 and 337,331.20 is: 505,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,996.80 : 512,995.20 = 337,331.20 : x
  2. Step 2: Convert to fraction form
    341,996.80/512,995.20 = 337,331.20/x
  3. Step 3: Cross multiply
    341,996.80x = 512,995.20 × 337,331.20
  4. Step 4: Simplify right side
    341,996.80x = 173,049,286,410.24
  5. Step 5: Solve for x
    x = 173,049,286,410.24/341,996.80
  6. Step 6: Final answer
    x = 505,996.80

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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.