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Finding the Fourth Proportional to 366,989.60, 551,002.80 and 227,021.60

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Solution

The fourth proportional to 366,989.60, 551,002.80 and 227,021.60 is: 340,853.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,989.60 : 551,002.80 = 227,021.60 : x
  2. Step 2: Convert to fraction form
    366,989.60/551,002.80 = 227,021.60/x
  3. Step 3: Cross multiply
    366,989.60x = 551,002.80 × 227,021.60
  4. Step 4: Simplify right side
    366,989.60x = 125,089,537,260.48
  5. Step 5: Solve for x
    x = 125,089,537,260.48/366,989.60
  6. Step 6: Final answer
    x = 340,853.08

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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.