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Finding the Fourth Proportional to 541,788.92, 747,674.20 and 326,887.44

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Solution

The fourth proportional to 541,788.92, 747,674.20 and 326,887.44 is: 451,107.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,788.92 : 747,674.20 = 326,887.44 : x
  2. Step 2: Convert to fraction form
    541,788.92/747,674.20 = 326,887.44/x
  3. Step 3: Cross multiply
    541,788.92x = 747,674.20 × 326,887.44
  4. Step 4: Simplify right side
    541,788.92x = 244,405,305,192.05
  5. Step 5: Solve for x
    x = 244,405,305,192.05/541,788.92
  6. Step 6: Final answer
    x = 451,107.98

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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.