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Finding the Fourth Proportional to 339,553.75, 468,598.76 and 188,650.75

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Solution

The fourth proportional to 339,553.75, 468,598.76 and 188,650.75 is: 260,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,553.75 : 468,598.76 = 188,650.75 : x
  2. Step 2: Convert to fraction form
    339,553.75/468,598.76 = 188,650.75/x
  3. Step 3: Cross multiply
    339,553.75x = 468,598.76 × 188,650.75
  4. Step 4: Simplify right side
    339,553.75x = 88,401,507,523.07
  5. Step 5: Solve for x
    x = 88,401,507,523.07/339,553.75
  6. Step 6: Final answer
    x = 260,346.14

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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.