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Finding the Fourth Proportional to 404,456.80, 606,685.20 and 341,471.20

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Solution

The fourth proportional to 404,456.80, 606,685.20 and 341,471.20 is: 512,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,456.80 : 606,685.20 = 341,471.20 : x
  2. Step 2: Convert to fraction form
    404,456.80/606,685.20 = 341,471.20/x
  3. Step 3: Cross multiply
    404,456.80x = 606,685.20 × 341,471.20
  4. Step 4: Simplify right side
    404,456.80x = 207,165,523,266.24
  5. Step 5: Solve for x
    x = 207,165,523,266.24/404,456.80
  6. Step 6: Final answer
    x = 512,206.80

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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.