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Finding the Fourth Proportional to 297,608.72, 446,272.38 and 115,324.92

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Solution

The fourth proportional to 297,608.72, 446,272.38 and 115,324.92 is: 172,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,608.72 : 446,272.38 = 115,324.92 : x
  2. Step 2: Convert to fraction form
    297,608.72/446,272.38 = 115,324.92/x
  3. Step 3: Cross multiply
    297,608.72x = 446,272.38 × 115,324.92
  4. Step 4: Simplify right side
    297,608.72x = 51,466,326,521.71
  5. Step 5: Solve for x
    x = 51,466,326,521.71/297,608.72
  6. Step 6: Final answer
    x = 172,932.86

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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.