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Finding the Fourth Proportional to 339,401.34, 468,060.93 and 230,668.56

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Solution

The fourth proportional to 339,401.34, 468,060.93 and 230,668.56 is: 318,109.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,401.34 : 468,060.93 = 230,668.56 : x
  2. Step 2: Convert to fraction form
    339,401.34/468,060.93 = 230,668.56/x
  3. Step 3: Cross multiply
    339,401.34x = 468,060.93 × 230,668.56
  4. Step 4: Simplify right side
    339,401.34x = 107,966,940,715.36
  5. Step 5: Solve for x
    x = 107,966,940,715.36/339,401.34
  6. Step 6: Final answer
    x = 318,109.94

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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.