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Finding the Fourth Proportional to 372,836.42, 514,338.36 and 252,019.88

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Solution

The fourth proportional to 372,836.42, 514,338.36 and 252,019.88 is: 347,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,836.42 : 514,338.36 = 252,019.88 : x
  2. Step 2: Convert to fraction form
    372,836.42/514,338.36 = 252,019.88/x
  3. Step 3: Cross multiply
    372,836.42x = 514,338.36 × 252,019.88
  4. Step 4: Simplify right side
    372,836.42x = 129,623,491,766.60
  5. Step 5: Solve for x
    x = 129,623,491,766.60/372,836.42
  6. Step 6: Final answer
    x = 347,668.53

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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.