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Finding the Fourth Proportional to 635,310.78, 952,896.43 and 186,036.13

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Solution

The fourth proportional to 635,310.78, 952,896.43 and 186,036.13 is: 279,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,310.78 : 952,896.43 = 186,036.13 : x
  2. Step 2: Convert to fraction form
    635,310.78/952,896.43 = 186,036.13/x
  3. Step 3: Cross multiply
    635,310.78x = 952,896.43 × 186,036.13
  4. Step 4: Simplify right side
    635,310.78x = 177,273,164,128.02
  5. Step 5: Solve for x
    x = 177,273,164,128.02/635,310.78
  6. Step 6: Final answer
    x = 279,033.77

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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.