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Finding the Fourth Proportional to 341,921.80, 512,882.70 and 337,256.20

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Solution

The fourth proportional to 341,921.80, 512,882.70 and 337,256.20 is: 505,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,921.80 : 512,882.70 = 337,256.20 : x
  2. Step 2: Convert to fraction form
    341,921.80/512,882.70 = 337,256.20/x
  3. Step 3: Cross multiply
    341,921.80x = 512,882.70 × 337,256.20
  4. Step 4: Simplify right side
    341,921.80x = 172,972,870,447.74
  5. Step 5: Solve for x
    x = 172,972,870,447.74/341,921.80
  6. Step 6: Final answer
    x = 505,884.30

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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.