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Finding the Fourth Proportional to 303,683.70, 455,525.55 and 204,150.90

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Solution

The fourth proportional to 303,683.70, 455,525.55 and 204,150.90 is: 306,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,683.70 : 455,525.55 = 204,150.90 : x
  2. Step 2: Convert to fraction form
    303,683.70/455,525.55 = 204,150.90/x
  3. Step 3: Cross multiply
    303,683.70x = 455,525.55 × 204,150.90
  4. Step 4: Simplify right side
    303,683.70x = 92,995,951,005.50
  5. Step 5: Solve for x
    x = 92,995,951,005.50/303,683.70
  6. Step 6: Final answer
    x = 306,226.35

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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.