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Finding the Fourth Proportional to 398,872.33, 598,217.24 and 114,560.62

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Solution

The fourth proportional to 398,872.33, 598,217.24 and 114,560.62 is: 171,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,872.33 : 598,217.24 = 114,560.62 : x
  2. Step 2: Convert to fraction form
    398,872.33/598,217.24 = 114,560.62/x
  3. Step 3: Cross multiply
    398,872.33x = 598,217.24 × 114,560.62
  4. Step 4: Simplify right side
    398,872.33x = 68,532,136,699.95
  5. Step 5: Solve for x
    x = 68,532,136,699.95/398,872.33
  6. Step 6: Final answer
    x = 171,814.72

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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.