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Finding the Fourth Proportional to 323,005.60, 484,450.80 and 204,464.80

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Solution

The fourth proportional to 323,005.60, 484,450.80 and 204,464.80 is: 306,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,005.60 : 484,450.80 = 204,464.80 : x
  2. Step 2: Convert to fraction form
    323,005.60/484,450.80 = 204,464.80/x
  3. Step 3: Cross multiply
    323,005.60x = 484,450.80 × 204,464.80
  4. Step 4: Simplify right side
    323,005.60x = 99,053,135,931.84
  5. Step 5: Solve for x
    x = 99,053,135,931.84/323,005.60
  6. Step 6: Final answer
    x = 306,660.74

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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.