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Finding the Fourth Proportional to 491,576.16, 737,363.82 and 136,590

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Solution

The fourth proportional to 491,576.16, 737,363.82 and 136,590 is: 204,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,576.16 : 737,363.82 = 136,590 : x
  2. Step 2: Convert to fraction form
    491,576.16/737,363.82 = 136,590/x
  3. Step 3: Cross multiply
    491,576.16x = 737,363.82 × 136,590
  4. Step 4: Simplify right side
    491,576.16x = 100,716,524,173.80
  5. Step 5: Solve for x
    x = 100,716,524,173.80/491,576.16
  6. Step 6: Final answer
    x = 204,884.88

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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.