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Finding the Fourth Proportional to 591,405.40, 886,622.10 and 254,704.60

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Solution

The fourth proportional to 591,405.40, 886,622.10 and 254,704.60 is: 381,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,405.40 : 886,622.10 = 254,704.60 : x
  2. Step 2: Convert to fraction form
    591,405.40/886,622.10 = 254,704.60/x
  3. Step 3: Cross multiply
    591,405.40x = 886,622.10 × 254,704.60
  4. Step 4: Simplify right side
    591,405.40x = 225,826,727,331.66
  5. Step 5: Solve for x
    x = 225,826,727,331.66/591,405.40
  6. Step 6: Final answer
    x = 381,847.59

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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.