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Finding the Fourth Proportional to 580,112.39, 800,603.33 and 322,013.59

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Solution

The fourth proportional to 580,112.39, 800,603.33 and 322,013.59 is: 444,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,112.39 : 800,603.33 = 322,013.59 : x
  2. Step 2: Convert to fraction form
    580,112.39/800,603.33 = 322,013.59/x
  3. Step 3: Cross multiply
    580,112.39x = 800,603.33 × 322,013.59
  4. Step 4: Simplify right side
    580,112.39x = 257,805,148,847.68
  5. Step 5: Solve for x
    x = 257,805,148,847.68/580,112.39
  6. Step 6: Final answer
    x = 444,405.52

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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.