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Finding the Fourth Proportional to 551,792.55, 827,350.10 and 214,439.30

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Solution

The fourth proportional to 551,792.55, 827,350.10 and 214,439.30 is: 321,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,792.55 : 827,350.10 = 214,439.30 : x
  2. Step 2: Convert to fraction form
    551,792.55/827,350.10 = 214,439.30/x
  3. Step 3: Cross multiply
    551,792.55x = 827,350.10 × 214,439.30
  4. Step 4: Simplify right side
    551,792.55x = 177,416,374,996.69
  5. Step 5: Solve for x
    x = 177,416,374,996.69/551,792.55
  6. Step 6: Final answer
    x = 321,527.31

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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.