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Finding the Fourth Proportional to 339,513.53, 468,352.98 and 230,623.48

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Solution

The fourth proportional to 339,513.53, 468,352.98 and 230,623.48 is: 318,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,513.53 : 468,352.98 = 230,623.48 : x
  2. Step 2: Convert to fraction form
    339,513.53/468,352.98 = 230,623.48/x
  3. Step 3: Cross multiply
    339,513.53x = 468,352.98 × 230,623.48
  4. Step 4: Simplify right side
    339,513.53x = 108,013,194,115.97
  5. Step 5: Solve for x
    x = 108,013,194,115.97/339,513.53
  6. Step 6: Final answer
    x = 318,141.06

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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.