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Finding the Fourth Proportional to 411,898.08, 568,411.38 and 230,610.36

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Solution

The fourth proportional to 411,898.08, 568,411.38 and 230,610.36 is: 318,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,898.08 : 568,411.38 = 230,610.36 : x
  2. Step 2: Convert to fraction form
    411,898.08/568,411.38 = 230,610.36/x
  3. Step 3: Cross multiply
    411,898.08x = 568,411.38 × 230,610.36
  4. Step 4: Simplify right side
    411,898.08x = 131,081,552,969.90
  5. Step 5: Solve for x
    x = 131,081,552,969.90/411,898.08
  6. Step 6: Final answer
    x = 318,237.83

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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.