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Finding the Fourth Proportional to 411,737.18, 568,067.78 and 230,420.30

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Solution

The fourth proportional to 411,737.18, 568,067.78 and 230,420.30 is: 317,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,737.18 : 568,067.78 = 230,420.30 : x
  2. Step 2: Convert to fraction form
    411,737.18/568,067.78 = 230,420.30/x
  3. Step 3: Cross multiply
    411,737.18x = 568,067.78 × 230,420.30
  4. Step 4: Simplify right side
    411,737.18x = 130,894,345,447.60
  5. Step 5: Solve for x
    x = 130,894,345,447.60/411,737.18
  6. Step 6: Final answer
    x = 317,907.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.