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Finding the Fourth Proportional to 330,529.77, 495,794.82 and 218,183.73

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Solution

The fourth proportional to 330,529.77, 495,794.82 and 218,183.73 is: 327,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,529.77 : 495,794.82 = 218,183.73 : x
  2. Step 2: Convert to fraction form
    330,529.77/495,794.82 = 218,183.73/x
  3. Step 3: Cross multiply
    330,529.77x = 495,794.82 × 218,183.73
  4. Step 4: Simplify right side
    330,529.77x = 108,174,363,142.28
  5. Step 5: Solve for x
    x = 108,174,363,142.28/330,529.77
  6. Step 6: Final answer
    x = 327,275.70

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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.