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Finding the Fourth Proportional to 454,816.80, 682,225.20 and 155,270.70

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Solution

The fourth proportional to 454,816.80, 682,225.20 and 155,270.70 is: 232,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,816.80 : 682,225.20 = 155,270.70 : x
  2. Step 2: Convert to fraction form
    454,816.80/682,225.20 = 155,270.70/x
  3. Step 3: Cross multiply
    454,816.80x = 682,225.20 × 155,270.70
  4. Step 4: Simplify right side
    454,816.80x = 105,929,584,361.64
  5. Step 5: Solve for x
    x = 105,929,584,361.64/454,816.80
  6. Step 6: Final answer
    x = 232,906.05

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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.