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Finding the Fourth Proportional to 443,794.41, 612,286.70 and 252,672.48

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Solution

The fourth proportional to 443,794.41, 612,286.70 and 252,672.48 is: 348,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,794.41 : 612,286.70 = 252,672.48 : x
  2. Step 2: Convert to fraction form
    443,794.41/612,286.70 = 252,672.48/x
  3. Step 3: Cross multiply
    443,794.41x = 612,286.70 × 252,672.48
  4. Step 4: Simplify right side
    443,794.41x = 154,707,997,696.65
  5. Step 5: Solve for x
    x = 154,707,997,696.65/443,794.41
  6. Step 6: Final answer
    x = 348,602.85

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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.