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Finding the Fourth Proportional to 580,791.30, 801,531.81 and 322,699.38

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Solution

The fourth proportional to 580,791.30, 801,531.81 and 322,699.38 is: 445,347.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,791.30 : 801,531.81 = 322,699.38 : x
  2. Step 2: Convert to fraction form
    580,791.30/801,531.81 = 322,699.38/x
  3. Step 3: Cross multiply
    580,791.30x = 801,531.81 × 322,699.38
  4. Step 4: Simplify right side
    580,791.30x = 258,653,818,137.28
  5. Step 5: Solve for x
    x = 258,653,818,137.28/580,791.30
  6. Step 6: Final answer
    x = 445,347.27

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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.