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Finding the Fourth Proportional to 618,786.70, 928,269.06 and 234,676.96

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Solution

The fourth proportional to 618,786.70, 928,269.06 and 234,676.96 is: 352,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,786.70 : 928,269.06 = 234,676.96 : x
  2. Step 2: Convert to fraction form
    618,786.70/928,269.06 = 234,676.96/x
  3. Step 3: Cross multiply
    618,786.70x = 928,269.06 × 234,676.96
  4. Step 4: Simplify right side
    618,786.70x = 217,843,361,062.86
  5. Step 5: Solve for x
    x = 217,843,361,062.86/618,786.70
  6. Step 6: Final answer
    x = 352,049.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.