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Finding the Fourth Proportional to 635,036.38, 952,720.56 and 368,540.71

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Solution

The fourth proportional to 635,036.38, 952,720.56 and 368,540.71 is: 552,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,036.38 : 952,720.56 = 368,540.71 : x
  2. Step 2: Convert to fraction form
    635,036.38/952,720.56 = 368,540.71/x
  3. Step 3: Cross multiply
    635,036.38x = 952,720.56 × 368,540.71
  4. Step 4: Simplify right side
    635,036.38x = 351,116,309,771.29
  5. Step 5: Solve for x
    x = 351,116,309,771.29/635,036.38
  6. Step 6: Final answer
    x = 552,907.39

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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.