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Finding the Fourth Proportional to 550,624.20, 825,936.30 and 340,672.20

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Solution

The fourth proportional to 550,624.20, 825,936.30 and 340,672.20 is: 511,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,624.20 : 825,936.30 = 340,672.20 : x
  2. Step 2: Convert to fraction form
    550,624.20/825,936.30 = 340,672.20/x
  3. Step 3: Cross multiply
    550,624.20x = 825,936.30 × 340,672.20
  4. Step 4: Simplify right side
    550,624.20x = 281,373,536,380.86
  5. Step 5: Solve for x
    x = 281,373,536,380.86/550,624.20
  6. Step 6: Final answer
    x = 511,008.30

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Similar ratio
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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.