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Finding the Fourth Proportional to 618,788.73, 928,183.84 and 169,513.47

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Solution

The fourth proportional to 618,788.73, 928,183.84 and 169,513.47 is: 254,270.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,788.73 : 928,183.84 = 169,513.47 : x
  2. Step 2: Convert to fraction form
    618,788.73/928,183.84 = 169,513.47/x
  3. Step 3: Cross multiply
    618,788.73x = 928,183.84 × 169,513.47
  4. Step 4: Simplify right side
    618,788.73x = 157,339,663,092.54
  5. Step 5: Solve for x
    x = 157,339,663,092.54/618,788.73
  6. Step 6: Final answer
    x = 254,270.41

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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.