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Finding the Fourth Proportional to 360,408.36, 496,790.92 and 283,805.92

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Solution

The fourth proportional to 360,408.36, 496,790.92 and 283,805.92 is: 391,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,408.36 : 496,790.92 = 283,805.92 : x
  2. Step 2: Convert to fraction form
    360,408.36/496,790.92 = 283,805.92/x
  3. Step 3: Cross multiply
    360,408.36x = 496,790.92 × 283,805.92
  4. Step 4: Simplify right side
    360,408.36x = 140,992,204,098.25
  5. Step 5: Solve for x
    x = 140,992,204,098.25/360,408.36
  6. Step 6: Final answer
    x = 391,201.26

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1.5x scale

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.