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Finding the Fourth Proportional to 454,101.92, 681,145.44 and 154,790.88

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Solution

The fourth proportional to 454,101.92, 681,145.44 and 154,790.88 is: 232,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,101.92 : 681,145.44 = 154,790.88 : x
  2. Step 2: Convert to fraction form
    454,101.92/681,145.44 = 154,790.88/x
  3. Step 3: Cross multiply
    454,101.92x = 681,145.44 × 154,790.88
  4. Step 4: Simplify right side
    454,101.92x = 105,435,102,065.59
  5. Step 5: Solve for x
    x = 105,435,102,065.59/454,101.92
  6. Step 6: Final answer
    x = 232,183.78

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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.