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Finding the Fourth Proportional to 636,108.41, 952,792.43 and 298,643.38

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Solution

The fourth proportional to 636,108.41, 952,792.43 and 298,643.38 is: 447,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,108.41 : 952,792.43 = 298,643.38 : x
  2. Step 2: Convert to fraction form
    636,108.41/952,792.43 = 298,643.38/x
  3. Step 3: Cross multiply
    636,108.41x = 952,792.43 × 298,643.38
  4. Step 4: Simplify right side
    636,108.41x = 284,545,147,858.42
  5. Step 5: Solve for x
    x = 284,545,147,858.42/636,108.41
  6. Step 6: Final answer
    x = 447,321.78

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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.