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Finding the Fourth Proportional to 293,285.54, 404,734.03 and 159,149.54

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Solution

The fourth proportional to 293,285.54, 404,734.03 and 159,149.54 is: 219,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,285.54 : 404,734.03 = 159,149.54 : x
  2. Step 2: Convert to fraction form
    293,285.54/404,734.03 = 159,149.54/x
  3. Step 3: Cross multiply
    293,285.54x = 404,734.03 × 159,149.54
  4. Step 4: Simplify right side
    293,285.54x = 64,413,235,310.81
  5. Step 5: Solve for x
    x = 64,413,235,310.81/293,285.54
  6. Step 6: Final answer
    x = 219,626.36

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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.