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Finding the Fourth Proportional to 557,379.30, 836,290.49 and 178,358.43

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Solution

The fourth proportional to 557,379.30, 836,290.49 and 178,358.43 is: 267,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,379.30 : 836,290.49 = 178,358.43 : x
  2. Step 2: Convert to fraction form
    557,379.30/836,290.49 = 178,358.43/x
  3. Step 3: Cross multiply
    557,379.30x = 836,290.49 × 178,358.43
  4. Step 4: Simplify right side
    557,379.30x = 149,159,458,820.33
  5. Step 5: Solve for x
    x = 149,159,458,820.33/557,379.30
  6. Step 6: Final answer
    x = 267,608.54

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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.