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Finding the Fourth Proportional to 339,744.10, 509,616.15 and 227,769.70

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Solution

The fourth proportional to 339,744.10, 509,616.15 and 227,769.70 is: 341,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,744.10 : 509,616.15 = 227,769.70 : x
  2. Step 2: Convert to fraction form
    339,744.10/509,616.15 = 227,769.70/x
  3. Step 3: Cross multiply
    339,744.10x = 509,616.15 × 227,769.70
  4. Step 4: Simplify right side
    339,744.10x = 116,075,117,600.66
  5. Step 5: Solve for x
    x = 116,075,117,600.66/339,744.10
  6. Step 6: Final answer
    x = 341,654.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.