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Finding the Fourth Proportional to 252,907.45, 379,034.13 and 189,227.95

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Solution

The fourth proportional to 252,907.45, 379,034.13 and 189,227.95 is: 283,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,907.45 : 379,034.13 = 189,227.95 : x
  2. Step 2: Convert to fraction form
    252,907.45/379,034.13 = 189,227.95/x
  3. Step 3: Cross multiply
    252,907.45x = 379,034.13 × 189,227.95
  4. Step 4: Simplify right side
    252,907.45x = 71,723,851,399.93
  5. Step 5: Solve for x
    x = 71,723,851,399.93/252,907.45
  6. Step 6: Final answer
    x = 283,597.23

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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.