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Finding the Fourth Proportional to 219,608.20, 329,412.30 and 204,056.20

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Solution

The fourth proportional to 219,608.20, 329,412.30 and 204,056.20 is: 306,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,608.20 : 329,412.30 = 204,056.20 : x
  2. Step 2: Convert to fraction form
    219,608.20/329,412.30 = 204,056.20/x
  3. Step 3: Cross multiply
    219,608.20x = 329,412.30 × 204,056.20
  4. Step 4: Simplify right side
    219,608.20x = 67,218,622,171.26
  5. Step 5: Solve for x
    x = 67,218,622,171.26/219,608.20
  6. Step 6: Final answer
    x = 306,084.30

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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.