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Finding the Fourth Proportional to 541,786.92, 747,671.44 and 326,885.44

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Solution

The fourth proportional to 541,786.92, 747,671.44 and 326,885.44 is: 451,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,786.92 : 747,671.44 = 326,885.44 : x
  2. Step 2: Convert to fraction form
    541,786.92/747,671.44 = 326,885.44/x
  3. Step 3: Cross multiply
    541,786.92x = 747,671.44 × 326,885.44
  4. Step 4: Simplify right side
    541,786.92x = 244,402,907,639.83
  5. Step 5: Solve for x
    x = 244,402,907,639.83/541,786.92
  6. Step 6: Final answer
    x = 451,105.22

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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.