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Finding the Fourth Proportional to 366,989.10, 551,002.05 and 227,021.10

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Solution

The fourth proportional to 366,989.10, 551,002.05 and 227,021.10 is: 340,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.10 : 551,002.05 = 227,021.10 : x
  2. Step 2: Convert to fraction form
    366,989.10/551,002.05 = 227,021.10/x
  3. Step 3: Cross multiply
    366,989.10x = 551,002.05 × 227,021.10
  4. Step 4: Simplify right side
    366,989.10x = 125,089,091,493.26
  5. Step 5: Solve for x
    x = 125,089,091,493.26/366,989.10
  6. Step 6: Final answer
    x = 340,852.33

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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.