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Finding the Fourth Proportional to 323,175.20, 483,610.80 and 204,903.20

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Solution

The fourth proportional to 323,175.20, 483,610.80 and 204,903.20 is: 306,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,175.20 : 483,610.80 = 204,903.20 : x
  2. Step 2: Convert to fraction form
    323,175.20/483,610.80 = 204,903.20/x
  3. Step 3: Cross multiply
    323,175.20x = 483,610.80 × 204,903.20
  4. Step 4: Simplify right side
    323,175.20x = 99,093,400,474.56
  5. Step 5: Solve for x
    x = 99,093,400,474.56/323,175.20
  6. Step 6: Final answer
    x = 306,624.40

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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.