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Finding the Fourth Proportional to 296,495,336.80, 443,799,286.80 and 211,560,680.80

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Solution

The fourth proportional to 296,495,336.80, 443,799,286.80 and 211,560,680.80 is: 316,667,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,495,336.80 : 443,799,286.80 = 211,560,680.80 : x
  2. Step 2: Convert to fraction form
    296,495,336.80/443,799,286.80 = 211,560,680.80/x
  3. Step 3: Cross multiply
    296,495,336.80x = 443,799,286.80 × 211,560,680.80
  4. Step 4: Simplify right side
    296,495,336.80x = 93,890,479,253,962,464
  5. Step 5: Solve for x
    x = 93,890,479,253,962,464/296,495,336.80
  6. Step 6: Final answer
    x = 316,667,642.29

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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.