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Finding the Fourth Proportional to 671,791.72, 925,992.06 and 453,932.38

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Solution

The fourth proportional to 671,791.72, 925,992.06 and 453,932.38 is: 625,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,791.72 : 925,992.06 = 453,932.38 : x
  2. Step 2: Convert to fraction form
    671,791.72/925,992.06 = 453,932.38/x
  3. Step 3: Cross multiply
    671,791.72x = 925,992.06 × 453,932.38
  4. Step 4: Simplify right side
    671,791.72x = 420,337,779,656.90
  5. Step 5: Solve for x
    x = 420,337,779,656.90/671,791.72
  6. Step 6: Final answer
    x = 625,696.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.