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Finding the Fourth Proportional to 541,780.76, 747,662.99 and 326,879.34

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Solution

The fourth proportional to 541,780.76, 747,662.99 and 326,879.34 is: 451,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,780.76 : 747,662.99 = 326,879.34 : x
  2. Step 2: Convert to fraction form
    541,780.76/747,662.99 = 326,879.34/x
  3. Step 3: Cross multiply
    541,780.76x = 747,662.99 × 326,879.34
  4. Step 4: Simplify right side
    541,780.76x = 244,395,583,079.23
  5. Step 5: Solve for x
    x = 244,395,583,079.23/541,780.76
  6. Step 6: Final answer
    x = 451,096.83

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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.