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Finding the Fourth Proportional to 339,651.59, 468,599.67 and 203,729.54

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Solution

The fourth proportional to 339,651.59, 468,599.67 and 203,729.54 is: 281,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,651.59 : 468,599.67 = 203,729.54 : x
  2. Step 2: Convert to fraction form
    339,651.59/468,599.67 = 203,729.54/x
  3. Step 3: Cross multiply
    339,651.59x = 468,599.67 × 203,729.54
  4. Step 4: Simplify right side
    339,651.59x = 95,467,592,870.25
  5. Step 5: Solve for x
    x = 95,467,592,870.25/339,651.59
  6. Step 6: Final answer
    x = 281,075.07

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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.